Home / 84,330.20-126,495.30-22,000.70

Finding the Fourth Proportional to 84,330.20, 126,495.30 and 22,000.70

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Solution

The fourth proportional to 84,330.20, 126,495.30 and 22,000.70 is: 33,001.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,330.20 : 126,495.30 = 22,000.70 : x
  2. Step 2: Convert to fraction form
    84,330.20/126,495.30 = 22,000.70/x
  3. Step 3: Cross multiply
    84,330.20x = 126,495.30 × 22,000.70
  4. Step 4: Simplify right side
    84,330.20x = 2,782,985,146.71
  5. Step 5: Solve for x
    x = 2,782,985,146.71/84,330.20
  6. Step 6: Final answer
    x = 33,001.05

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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.