Home / 56,890.72-85,396.20-31,952.08

Finding the Fourth Proportional to 56,890.72, 85,396.20 and 31,952.08

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Solution

The fourth proportional to 56,890.72, 85,396.20 and 31,952.08 is: 47,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,890.72 : 85,396.20 = 31,952.08 : x
  2. Step 2: Convert to fraction form
    56,890.72/85,396.20 = 31,952.08/x
  3. Step 3: Cross multiply
    56,890.72x = 85,396.20 × 31,952.08
  4. Step 4: Simplify right side
    56,890.72x = 2,728,586,214.10
  5. Step 5: Solve for x
    x = 2,728,586,214.10/56,890.72
  6. Step 6: Final answer
    x = 47,961.89

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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.