Home / 42,468.16-63,727.84-14,785.60

Finding the Fourth Proportional to 42,468.16, 63,727.84 and 14,785.60

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Solution

The fourth proportional to 42,468.16, 63,727.84 and 14,785.60 is: 22,187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,468.16 : 63,727.84 = 14,785.60 : x
  2. Step 2: Convert to fraction form
    42,468.16/63,727.84 = 14,785.60/x
  3. Step 3: Cross multiply
    42,468.16x = 63,727.84 × 14,785.60
  4. Step 4: Simplify right side
    42,468.16x = 942,254,351.10
  5. Step 5: Solve for x
    x = 942,254,351.10/42,468.16
  6. Step 6: Final answer
    x = 22,187.31

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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.