Home / 31,538.30-47,250.05-18,350.69

Finding the Fourth Proportional to 31,538.30, 47,250.05 and 18,350.69

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Solution

The fourth proportional to 31,538.30, 47,250.05 and 18,350.69 is: 27,492.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,538.30 : 47,250.05 = 18,350.69 : x
  2. Step 2: Convert to fraction form
    31,538.30/47,250.05 = 18,350.69/x
  3. Step 3: Cross multiply
    31,538.30x = 47,250.05 × 18,350.69
  4. Step 4: Simplify right side
    31,538.30x = 867,070,692.03
  5. Step 5: Solve for x
    x = 867,070,692.03/31,538.30
  6. Step 6: Final answer
    x = 27,492.63

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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.