Home / 57,172.20-85,643.10-32,519.40

Finding the Fourth Proportional to 57,172.20, 85,643.10 and 32,519.40

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Solution

The fourth proportional to 57,172.20, 85,643.10 and 32,519.40 is: 48,713.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,172.20 : 85,643.10 = 32,519.40 : x
  2. Step 2: Convert to fraction form
    57,172.20/85,643.10 = 32,519.40/x
  3. Step 3: Cross multiply
    57,172.20x = 85,643.10 × 32,519.40
  4. Step 4: Simplify right side
    57,172.20x = 2,785,062,226.14
  5. Step 5: Solve for x
    x = 2,785,062,226.14/57,172.20
  6. Step 6: Final answer
    x = 48,713.57

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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.