Home / 38,279.74-52,825.05-21,283.10

Finding the Fourth Proportional to 38,279.74, 52,825.05 and 21,283.10

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Solution

The fourth proportional to 38,279.74, 52,825.05 and 21,283.10 is: 29,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,279.74 : 52,825.05 = 21,283.10 : x
  2. Step 2: Convert to fraction form
    38,279.74/52,825.05 = 21,283.10/x
  3. Step 3: Cross multiply
    38,279.74x = 52,825.05 × 21,283.10
  4. Step 4: Simplify right side
    38,279.74x = 1,124,281,006.93
  5. Step 5: Solve for x
    x = 1,124,281,006.93/38,279.74
  6. Step 6: Final answer
    x = 29,370.13

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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.