Home / 42,042.27-62,972.93-19,822.35

Finding the Fourth Proportional to 42,042.27, 62,972.93 and 19,822.35

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Solution

The fourth proportional to 42,042.27, 62,972.93 and 19,822.35 is: 29,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,042.27 : 62,972.93 = 19,822.35 : x
  2. Step 2: Convert to fraction form
    42,042.27/62,972.93 = 19,822.35/x
  3. Step 3: Cross multiply
    42,042.27x = 62,972.93 × 19,822.35
  4. Step 4: Simplify right side
    42,042.27x = 1,248,271,359.87
  5. Step 5: Solve for x
    x = 1,248,271,359.87/42,042.27
  6. Step 6: Final answer
    x = 29,690.86

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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.