Home / 42,538.53-63,807.80-17,551.13

Finding the Fourth Proportional to 42,538.53, 63,807.80 and 17,551.13

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Solution

The fourth proportional to 42,538.53, 63,807.80 and 17,551.13 is: 26,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,538.53 : 63,807.80 = 17,551.13 : x
  2. Step 2: Convert to fraction form
    42,538.53/63,807.80 = 17,551.13/x
  3. Step 3: Cross multiply
    42,538.53x = 63,807.80 × 17,551.13
  4. Step 4: Simplify right side
    42,538.53x = 1,119,898,717.65
  5. Step 5: Solve for x
    x = 1,119,898,717.65/42,538.53
  6. Step 6: Final answer
    x = 26,326.69

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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.