Home / 40,775.59-61,189.37-18,591.17

Finding the Fourth Proportional to 40,775.59, 61,189.37 and 18,591.17

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Solution

The fourth proportional to 40,775.59, 61,189.37 and 18,591.17 is: 27,898.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,775.59 : 61,189.37 = 18,591.17 : x
  2. Step 2: Convert to fraction form
    40,775.59/61,189.37 = 18,591.17/x
  3. Step 3: Cross multiply
    40,775.59x = 61,189.37 × 18,591.17
  4. Step 4: Simplify right side
    40,775.59x = 1,137,581,979.86
  5. Step 5: Solve for x
    x = 1,137,581,979.86/40,775.59
  6. Step 6: Final answer
    x = 27,898.60

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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.