Home / 57,325.20-85,817.70-42,599.40

Finding the Fourth Proportional to 57,325.20, 85,817.70 and 42,599.40

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Solution

The fourth proportional to 57,325.20, 85,817.70 and 42,599.40 is: 63,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,325.20 : 85,817.70 = 42,599.40 : x
  2. Step 2: Convert to fraction form
    57,325.20/85,817.70 = 42,599.40/x
  3. Step 3: Cross multiply
    57,325.20x = 85,817.70 × 42,599.40
  4. Step 4: Simplify right side
    57,325.20x = 3,655,782,529.38
  5. Step 5: Solve for x
    x = 3,655,782,529.38/57,325.20
  6. Step 6: Final answer
    x = 63,772.70

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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.