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Finding the Fourth Proportional to 56,891.92, 85,334.68 and 17,448.92

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Solution

The fourth proportional to 56,891.92, 85,334.68 and 17,448.92 is: 26,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,891.92 : 85,334.68 = 17,448.92 : x
  2. Step 2: Convert to fraction form
    56,891.92/85,334.68 = 17,448.92/x
  3. Step 3: Cross multiply
    56,891.92x = 85,334.68 × 17,448.92
  4. Step 4: Simplify right side
    56,891.92x = 1,488,998,004.55
  5. Step 5: Solve for x
    x = 1,488,998,004.55/56,891.92
  6. Step 6: Final answer
    x = 26,172.40

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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.