Home / 42,502.32-63,775.44-19,123.92

Finding the Fourth Proportional to 42,502.32, 63,775.44 and 19,123.92

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Solution

The fourth proportional to 42,502.32, 63,775.44 and 19,123.92 is: 28,695.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,502.32 : 63,775.44 = 19,123.92 : x
  2. Step 2: Convert to fraction form
    42,502.32/63,775.44 = 19,123.92/x
  3. Step 3: Cross multiply
    42,502.32x = 63,775.44 × 19,123.92
  4. Step 4: Simplify right side
    42,502.32x = 1,219,636,412.52
  5. Step 5: Solve for x
    x = 1,219,636,412.52/42,502.32
  6. Step 6: Final answer
    x = 28,695.76

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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.