Home / 22,800.30-34,200.45-20,078.70

Finding the Fourth Proportional to 22,800.30, 34,200.45 and 20,078.70

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Solution

The fourth proportional to 22,800.30, 34,200.45 and 20,078.70 is: 30,118.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,800.30 : 34,200.45 = 20,078.70 : x
  2. Step 2: Convert to fraction form
    22,800.30/34,200.45 = 20,078.70/x
  3. Step 3: Cross multiply
    22,800.30x = 34,200.45 × 20,078.70
  4. Step 4: Simplify right side
    22,800.30x = 686,700,575.42
  5. Step 5: Solve for x
    x = 686,700,575.42/22,800.30
  6. Step 6: Final answer
    x = 30,118.05

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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.