Home / 53,213.21-73,434.72-29,340.74

Finding the Fourth Proportional to 53,213.21, 73,434.72 and 29,340.74

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Solution

The fourth proportional to 53,213.21, 73,434.72 and 29,340.74 is: 40,490.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,213.21 : 73,434.72 = 29,340.74 : x
  2. Step 2: Convert to fraction form
    53,213.21/73,434.72 = 29,340.74/x
  3. Step 3: Cross multiply
    53,213.21x = 73,434.72 × 29,340.74
  4. Step 4: Simplify right side
    53,213.21x = 2,154,628,659.32
  5. Step 5: Solve for x
    x = 2,154,628,659.32/53,213.21
  6. Step 6: Final answer
    x = 40,490.49

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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.