Home / 42,357.54-63,539.28-17,398.86

Finding the Fourth Proportional to 42,357.54, 63,539.28 and 17,398.86

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Solution

The fourth proportional to 42,357.54, 63,539.28 and 17,398.86 is: 26,099.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,357.54 : 63,539.28 = 17,398.86 : x
  2. Step 2: Convert to fraction form
    42,357.54/63,539.28 = 17,398.86/x
  3. Step 3: Cross multiply
    42,357.54x = 63,539.28 × 17,398.86
  4. Step 4: Simplify right side
    42,357.54x = 1,105,511,037.22
  5. Step 5: Solve for x
    x = 1,105,511,037.22/42,357.54
  6. Step 6: Final answer
    x = 26,099.51

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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.