Home / 42,400.38-63,604.92-11,235.63

Finding the Fourth Proportional to 42,400.38, 63,604.92 and 11,235.63

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Solution

The fourth proportional to 42,400.38, 63,604.92 and 11,235.63 is: 16,854.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,400.38 : 63,604.92 = 11,235.63 : x
  2. Step 2: Convert to fraction form
    42,400.38/63,604.92 = 11,235.63/x
  3. Step 3: Cross multiply
    42,400.38x = 63,604.92 × 11,235.63
  4. Step 4: Simplify right side
    42,400.38x = 714,641,001.19
  5. Step 5: Solve for x
    x = 714,641,001.19/42,400.38
  6. Step 6: Final answer
    x = 16,854.59

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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.