Home / 38,191.91-52,700.52-21,191.74

Finding the Fourth Proportional to 38,191.91, 52,700.52 and 21,191.74

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Solution

The fourth proportional to 38,191.91, 52,700.52 and 21,191.74 is: 29,242.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,191.91 : 52,700.52 = 21,191.74 : x
  2. Step 2: Convert to fraction form
    38,191.91/52,700.52 = 21,191.74/x
  3. Step 3: Cross multiply
    38,191.91x = 52,700.52 × 21,191.74
  4. Step 4: Simplify right side
    38,191.91x = 1,116,815,717.70
  5. Step 5: Solve for x
    x = 1,116,815,717.70/38,191.91
  6. Step 6: Final answer
    x = 29,242.21

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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.