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Finding the Fourth Proportional to 56,646.60, 84,872.70 and 27,000.60

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Solution

The fourth proportional to 56,646.60, 84,872.70 and 27,000.60 is: 40,454.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,646.60 : 84,872.70 = 27,000.60 : x
  2. Step 2: Convert to fraction form
    56,646.60/84,872.70 = 27,000.60/x
  3. Step 3: Cross multiply
    56,646.60x = 84,872.70 × 27,000.60
  4. Step 4: Simplify right side
    56,646.60x = 2,291,613,823.62
  5. Step 5: Solve for x
    x = 2,291,613,823.62/56,646.60
  6. Step 6: Final answer
    x = 40,454.57

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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.