Home / 38,031.10-52,482-21,034.90

Finding the Fourth Proportional to 38,031.10, 52,482 and 21,034.90

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Solution

The fourth proportional to 38,031.10, 52,482 and 21,034.90 is: 29,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,031.10 : 52,482 = 21,034.90 : x
  2. Step 2: Convert to fraction form
    38,031.10/52,482 = 21,034.90/x
  3. Step 3: Cross multiply
    38,031.10x = 52,482 × 21,034.90
  4. Step 4: Simplify right side
    38,031.10x = 1,103,953,621.80
  5. Step 5: Solve for x
    x = 1,103,953,621.80/38,031.10
  6. Step 6: Final answer
    x = 29,027.65

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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.