Home / 38,275.92-52,820.53-21,279.89

Finding the Fourth Proportional to 38,275.92, 52,820.53 and 21,279.89

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Solution

The fourth proportional to 38,275.92, 52,820.53 and 21,279.89 is: 29,366.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,275.92 : 52,820.53 = 21,279.89 : x
  2. Step 2: Convert to fraction form
    38,275.92/52,820.53 = 21,279.89/x
  3. Step 3: Cross multiply
    38,275.92x = 52,820.53 × 21,279.89
  4. Step 4: Simplify right side
    38,275.92x = 1,124,015,068.14
  5. Step 5: Solve for x
    x = 1,124,015,068.14/38,275.92
  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.