Home / 38,351-52,929.24-21,587.24

Finding the Fourth Proportional to 38,351, 52,929.24 and 21,587.24

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Solution

The fourth proportional to 38,351, 52,929.24 and 21,587.24 is: 29,793.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351 : 52,929.24 = 21,587.24 : x
  2. Step 2: Convert to fraction form
    38,351/52,929.24 = 21,587.24/x
  3. Step 3: Cross multiply
    38,351x = 52,929.24 × 21,587.24
  4. Step 4: Simplify right side
    38,351x = 1,142,596,206.90
  5. Step 5: Solve for x
    x = 1,142,596,206.90/38,351
  6. Step 6: Final answer
    x = 29,793.13

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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.