Home / 53,390.13-73,679.92-29,518.35

Finding the Fourth Proportional to 53,390.13, 73,679.92 and 29,518.35

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Solution

The fourth proportional to 53,390.13, 73,679.92 and 29,518.35 is: 40,736.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,390.13 : 73,679.92 = 29,518.35 : x
  2. Step 2: Convert to fraction form
    53,390.13/73,679.92 = 29,518.35/x
  3. Step 3: Cross multiply
    53,390.13x = 73,679.92 × 29,518.35
  4. Step 4: Simplify right side
    53,390.13x = 2,174,909,427.13
  5. Step 5: Solve for x
    x = 2,174,909,427.13/53,390.13
  6. Step 6: Final answer
    x = 40,736.17

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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.