Home / 38,275.41-52,819.58-21,279.99

Finding the Fourth Proportional to 38,275.41, 52,819.58 and 21,279.99

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Solution

The fourth proportional to 38,275.41, 52,819.58 and 21,279.99 is: 29,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275.41 : 52,819.58 = 21,279.99 : x
  2. Step 2: Convert to fraction form
    38,275.41/52,819.58 = 21,279.99/x
  3. Step 3: Cross multiply
    38,275.41x = 52,819.58 × 21,279.99
  4. Step 4: Simplify right side
    38,275.41x = 1,124,000,027.80
  5. Step 5: Solve for x
    x = 1,124,000,027.80/38,275.41
  6. Step 6: Final answer
    x = 29,366.11

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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.