Home / 31,505.20-47,209.20-27,325.60

Finding the Fourth Proportional to 31,505.20, 47,209.20 and 27,325.60

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Solution

The fourth proportional to 31,505.20, 47,209.20 and 27,325.60 is: 40,946.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.20 : 47,209.20 = 27,325.60 : x
  2. Step 2: Convert to fraction form
    31,505.20/47,209.20 = 27,325.60/x
  3. Step 3: Cross multiply
    31,505.20x = 47,209.20 × 27,325.60
  4. Step 4: Simplify right side
    31,505.20x = 1,290,019,715.52
  5. Step 5: Solve for x
    x = 1,290,019,715.52/31,505.20
  6. Step 6: Final answer
    x = 40,946.25

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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.