Home / 42,479.76-63,727.32-17,505.90

Finding the Fourth Proportional to 42,479.76, 63,727.32 and 17,505.90

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Solution

The fourth proportional to 42,479.76, 63,727.32 and 17,505.90 is: 26,262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,479.76 : 63,727.32 = 17,505.90 : x
  2. Step 2: Convert to fraction form
    42,479.76/63,727.32 = 17,505.90/x
  3. Step 3: Cross multiply
    42,479.76x = 63,727.32 × 17,505.90
  4. Step 4: Simplify right side
    42,479.76x = 1,115,604,091.19
  5. Step 5: Solve for x
    x = 1,115,604,091.19/42,479.76
  6. Step 6: Final answer
    x = 26,262.01

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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.