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Finding the Fourth Proportional to 57,189.60, 85,800.60 and 17,750.70

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Solution

The fourth proportional to 57,189.60, 85,800.60 and 17,750.70 is: 26,631.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,189.60 : 85,800.60 = 17,750.70 : x
  2. Step 2: Convert to fraction form
    57,189.60/85,800.60 = 17,750.70/x
  3. Step 3: Cross multiply
    57,189.60x = 85,800.60 × 17,750.70
  4. Step 4: Simplify right side
    57,189.60x = 1,523,020,710.42
  5. Step 5: Solve for x
    x = 1,523,020,710.42/57,189.60
  6. Step 6: Final answer
    x = 26,631.08

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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.