Home / 61,403.38-92,108.31-19,853.62

Finding the Fourth Proportional to 61,403.38, 92,108.31 and 19,853.62

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Solution

The fourth proportional to 61,403.38, 92,108.31 and 19,853.62 is: 29,781.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,403.38 : 92,108.31 = 19,853.62 : x
  2. Step 2: Convert to fraction form
    61,403.38/92,108.31 = 19,853.62/x
  3. Step 3: Cross multiply
    61,403.38x = 92,108.31 × 19,853.62
  4. Step 4: Simplify right side
    61,403.38x = 1,828,683,385.58
  5. Step 5: Solve for x
    x = 1,828,683,385.58/61,403.38
  6. Step 6: Final answer
    x = 29,781.48

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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.