Home / 56,895.30-85,310.55-39,366.90

Finding the Fourth Proportional to 56,895.30, 85,310.55 and 39,366.90

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Solution

The fourth proportional to 56,895.30, 85,310.55 and 39,366.90 is: 59,027.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,895.30 : 85,310.55 = 39,366.90 : x
  2. Step 2: Convert to fraction form
    56,895.30/85,310.55 = 39,366.90/x
  3. Step 3: Cross multiply
    56,895.30x = 85,310.55 × 39,366.90
  4. Step 4: Simplify right side
    56,895.30x = 3,358,411,890.80
  5. Step 5: Solve for x
    x = 3,358,411,890.80/56,895.30
  6. Step 6: Final answer
    x = 59,027.93

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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.