Home / 56,139.24-84,135.05-26,565.54

Finding the Fourth Proportional to 56,139.24, 84,135.05 and 26,565.54

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Solution

The fourth proportional to 56,139.24, 84,135.05 and 26,565.54 is: 39,813.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,139.24 : 84,135.05 = 26,565.54 : x
  2. Step 2: Convert to fraction form
    56,139.24/84,135.05 = 26,565.54/x
  3. Step 3: Cross multiply
    56,139.24x = 84,135.05 × 26,565.54
  4. Step 4: Simplify right side
    56,139.24x = 2,235,092,903.35
  5. Step 5: Solve for x
    x = 2,235,092,903.35/56,139.24
  6. Step 6: Final answer
    x = 39,813.38

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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.