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Finding the Fourth Proportional to 56,671.72, 85,007.72 and 27,082.82

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Solution

The fourth proportional to 56,671.72, 85,007.72 and 27,082.82 is: 40,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,671.72 : 85,007.72 = 27,082.82 : x
  2. Step 2: Convert to fraction form
    56,671.72/85,007.72 = 27,082.82/x
  3. Step 3: Cross multiply
    56,671.72x = 85,007.72 × 27,082.82
  4. Step 4: Simplify right side
    56,671.72x = 2,302,249,059.60
  5. Step 5: Solve for x
    x = 2,302,249,059.60/56,671.72
  6. Step 6: Final answer
    x = 40,624.30

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1.5x scale

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.