Home / 42,539.43-63,804.28-11,377.11

Finding the Fourth Proportional to 42,539.43, 63,804.28 and 11,377.11

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Solution

The fourth proportional to 42,539.43, 63,804.28 and 11,377.11 is: 17,064.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,539.43 : 63,804.28 = 11,377.11 : x
  2. Step 2: Convert to fraction form
    42,539.43/63,804.28 = 11,377.11/x
  3. Step 3: Cross multiply
    42,539.43x = 63,804.28 × 11,377.11
  4. Step 4: Simplify right side
    42,539.43x = 725,908,312.03
  5. Step 5: Solve for x
    x = 725,908,312.03/42,539.43
  6. Step 6: Final answer
    x = 17,064.36

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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.