Home / 42,425.12-63,645.51-13,963.68

Finding the Fourth Proportional to 42,425.12, 63,645.51 and 13,963.68

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Solution

The fourth proportional to 42,425.12, 63,645.51 and 13,963.68 is: 20,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,425.12 : 63,645.51 = 13,963.68 : x
  2. Step 2: Convert to fraction form
    42,425.12/63,645.51 = 13,963.68/x
  3. Step 3: Cross multiply
    42,425.12x = 63,645.51 × 13,963.68
  4. Step 4: Simplify right side
    42,425.12x = 888,725,535.08
  5. Step 5: Solve for x
    x = 888,725,535.08/42,425.12
  6. Step 6: Final answer
    x = 20,948.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.