Home / 34,402.60-47,479.98-20,256.76

Finding the Fourth Proportional to 34,402.60, 47,479.98 and 20,256.76

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Solution

The fourth proportional to 34,402.60, 47,479.98 and 20,256.76 is: 27,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,402.60 : 47,479.98 = 20,256.76 : x
  2. Step 2: Convert to fraction form
    34,402.60/47,479.98 = 20,256.76/x
  3. Step 3: Cross multiply
    34,402.60x = 47,479.98 × 20,256.76
  4. Step 4: Simplify right side
    34,402.60x = 961,790,559.66
  5. Step 5: Solve for x
    x = 961,790,559.66/34,402.60
  6. Step 6: Final answer
    x = 27,956.91

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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.