Home / 56,085.90-84,110.64-18,635.92

Finding the Fourth Proportional to 56,085.90, 84,110.64 and 18,635.92

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Solution

The fourth proportional to 56,085.90, 84,110.64 and 18,635.92 is: 27,947.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,085.90 : 84,110.64 = 18,635.92 : x
  2. Step 2: Convert to fraction form
    56,085.90/84,110.64 = 18,635.92/x
  3. Step 3: Cross multiply
    56,085.90x = 84,110.64 × 18,635.92
  4. Step 4: Simplify right side
    56,085.90x = 1,567,478,737.64
  5. Step 5: Solve for x
    x = 1,567,478,737.64/56,085.90
  6. Step 6: Final answer
    x = 27,947.82

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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.