Home / 42,609.15-63,913.86-13,026.87

Finding the Fourth Proportional to 42,609.15, 63,913.86 and 13,026.87

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Solution

The fourth proportional to 42,609.15, 63,913.86 and 13,026.87 is: 19,540.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,609.15 : 63,913.86 = 13,026.87 : x
  2. Step 2: Convert to fraction form
    42,609.15/63,913.86 = 13,026.87/x
  3. Step 3: Cross multiply
    42,609.15x = 63,913.86 × 13,026.87
  4. Step 4: Simplify right side
    42,609.15x = 832,597,545.42
  5. Step 5: Solve for x
    x = 832,597,545.42/42,609.15
  6. Step 6: Final answer
    x = 19,540.35

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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.