Home / 42,038.46-62,967.24-19,818.54

Finding the Fourth Proportional to 42,038.46, 62,967.24 and 19,818.54

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Solution

The fourth proportional to 42,038.46, 62,967.24 and 19,818.54 is: 29,685.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,038.46 : 62,967.24 = 19,818.54 : x
  2. Step 2: Convert to fraction form
    42,038.46/62,967.24 = 19,818.54/x
  3. Step 3: Cross multiply
    42,038.46x = 62,967.24 × 19,818.54
  4. Step 4: Simplify right side
    42,038.46x = 1,247,918,764.63
  5. Step 5: Solve for x
    x = 1,247,918,764.63/42,038.46
  6. Step 6: Final answer
    x = 29,685.17

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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.