Home / 42,555.72-63,833.40-19,154.76

Finding the Fourth Proportional to 42,555.72, 63,833.40 and 19,154.76

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Solution

The fourth proportional to 42,555.72, 63,833.40 and 19,154.76 is: 28,732.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,555.72 : 63,833.40 = 19,154.76 : x
  2. Step 2: Convert to fraction form
    42,555.72/63,833.40 = 19,154.76/x
  3. Step 3: Cross multiply
    42,555.72x = 63,833.40 × 19,154.76
  4. Step 4: Simplify right side
    42,555.72x = 1,222,713,456.98
  5. Step 5: Solve for x
    x = 1,222,713,456.98/42,555.72
  6. Step 6: Final answer
    x = 28,732.06

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1.5x scale

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.