Home / 57,321.10-85,981.65-43,324.30

Finding the Fourth Proportional to 57,321.10, 85,981.65 and 43,324.30

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Solution

The fourth proportional to 57,321.10, 85,981.65 and 43,324.30 is: 64,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,321.10 : 85,981.65 = 43,324.30 : x
  2. Step 2: Convert to fraction form
    57,321.10/85,981.65 = 43,324.30/x
  3. Step 3: Cross multiply
    57,321.10x = 85,981.65 × 43,324.30
  4. Step 4: Simplify right side
    57,321.10x = 3,725,094,799.10
  5. Step 5: Solve for x
    x = 3,725,094,799.10/57,321.10
  6. Step 6: Final answer
    x = 64,986.45

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Similar ratio
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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.