Home / 38,814.30-58,221.45-11,108.70

Finding the Fourth Proportional to 38,814.30, 58,221.45 and 11,108.70

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Solution

The fourth proportional to 38,814.30, 58,221.45 and 11,108.70 is: 16,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,814.30 : 58,221.45 = 11,108.70 : x
  2. Step 2: Convert to fraction form
    38,814.30/58,221.45 = 11,108.70/x
  3. Step 3: Cross multiply
    38,814.30x = 58,221.45 × 11,108.70
  4. Step 4: Simplify right side
    38,814.30x = 646,764,621.62
  5. Step 5: Solve for x
    x = 646,764,621.62/38,814.30
  6. Step 6: Final answer
    x = 16,663.05

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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.