Home / 56,657.20-84,985.80-27,132.70

Finding the Fourth Proportional to 56,657.20, 84,985.80 and 27,132.70

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Solution

The fourth proportional to 56,657.20, 84,985.80 and 27,132.70 is: 40,699.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,657.20 : 84,985.80 = 27,132.70 : x
  2. Step 2: Convert to fraction form
    56,657.20/84,985.80 = 27,132.70/x
  3. Step 3: Cross multiply
    56,657.20x = 84,985.80 × 27,132.70
  4. Step 4: Simplify right side
    56,657.20x = 2,305,894,215.66
  5. Step 5: Solve for x
    x = 2,305,894,215.66/56,657.20
  6. Step 6: Final answer
    x = 40,699.05

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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.