Home / 34,358.18-47,414.81-20,930.00

Finding the Fourth Proportional to 34,358.18, 47,414.81 and 20,930.00

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Solution

The fourth proportional to 34,358.18, 47,414.81 and 20,930.00 is: 28,883.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,358.18 : 47,414.81 = 20,930.00 : x
  2. Step 2: Convert to fraction form
    34,358.18/47,414.81 = 20,930.00/x
  3. Step 3: Cross multiply
    34,358.18x = 47,414.81 × 20,930.00
  4. Step 4: Simplify right side
    34,358.18x = 992,391,788.55
  5. Step 5: Solve for x
    x = 992,391,788.55/34,358.18
  6. Step 6: Final answer
    x = 28,883.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.