Home / 42,338.21-63,484.61-14,248.94

Finding the Fourth Proportional to 42,338.21, 63,484.61 and 14,248.94

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Solution

The fourth proportional to 42,338.21, 63,484.61 and 14,248.94 is: 21,365.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,338.21 : 63,484.61 = 14,248.94 : x
  2. Step 2: Convert to fraction form
    42,338.21/63,484.61 = 14,248.94/x
  3. Step 3: Cross multiply
    42,338.21x = 63,484.61 × 14,248.94
  4. Step 4: Simplify right side
    42,338.21x = 904,588,010.15
  5. Step 5: Solve for x
    x = 904,588,010.15/42,338.21
  6. Step 6: Final answer
    x = 21,365.76

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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.