Home / 42,562.56-63,871.38-19,187.58

Finding the Fourth Proportional to 42,562.56, 63,871.38 and 19,187.58

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Solution

The fourth proportional to 42,562.56, 63,871.38 and 19,187.58 is: 28,793.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,562.56 : 63,871.38 = 19,187.58 : x
  2. Step 2: Convert to fraction form
    42,562.56/63,871.38 = 19,187.58/x
  3. Step 3: Cross multiply
    42,562.56x = 63,871.38 × 19,187.58
  4. Step 4: Simplify right side
    42,562.56x = 1,225,537,213.46
  5. Step 5: Solve for x
    x = 1,225,537,213.46/42,562.56
  6. Step 6: Final answer
    x = 28,793.79

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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.