Home / 29,000.30-43,500.45-8,223.80

Finding the Fourth Proportional to 29,000.30, 43,500.45 and 8,223.80

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Solution

The fourth proportional to 29,000.30, 43,500.45 and 8,223.80 is: 12,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,000.30 : 43,500.45 = 8,223.80 : x
  2. Step 2: Convert to fraction form
    29,000.30/43,500.45 = 8,223.80/x
  3. Step 3: Cross multiply
    29,000.30x = 43,500.45 × 8,223.80
  4. Step 4: Simplify right side
    29,000.30x = 357,739,000.71
  5. Step 5: Solve for x
    x = 357,739,000.71/29,000.30
  6. Step 6: Final answer
    x = 12,335.70

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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.