Home / 38,020.71-52,463.99-21,022.66

Finding the Fourth Proportional to 38,020.71, 52,463.99 and 21,022.66

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Solution

The fourth proportional to 38,020.71, 52,463.99 and 21,022.66 is: 29,008.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,020.71 : 52,463.99 = 21,022.66 : x
  2. Step 2: Convert to fraction form
    38,020.71/52,463.99 = 21,022.66/x
  3. Step 3: Cross multiply
    38,020.71x = 52,463.99 × 21,022.66
  4. Step 4: Simplify right side
    38,020.71x = 1,102,932,518.90
  5. Step 5: Solve for x
    x = 1,102,932,518.90/38,020.71
  6. Step 6: Final answer
    x = 29,008.73

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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.