Home / 53,215.19-73,440.24-29,341.79

Finding the Fourth Proportional to 53,215.19, 73,440.24 and 29,341.79

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Solution

The fourth proportional to 53,215.19, 73,440.24 and 29,341.79 is: 40,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,215.19 : 73,440.24 = 29,341.79 : x
  2. Step 2: Convert to fraction form
    53,215.19/73,440.24 = 29,341.79/x
  3. Step 3: Cross multiply
    53,215.19x = 73,440.24 × 29,341.79
  4. Step 4: Simplify right side
    53,215.19x = 2,154,868,099.63
  5. Step 5: Solve for x
    x = 2,154,868,099.63/53,215.19
  6. Step 6: Final answer
    x = 40,493.48

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.