Home / 38,932.55-53,726.93-21,027.57

Finding the Fourth Proportional to 38,932.55, 53,726.93 and 21,027.57

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Solution

The fourth proportional to 38,932.55, 53,726.93 and 21,027.57 is: 29,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,932.55 : 53,726.93 = 21,027.57 : x
  2. Step 2: Convert to fraction form
    38,932.55/53,726.93 = 21,027.57/x
  3. Step 3: Cross multiply
    38,932.55x = 53,726.93 × 21,027.57
  4. Step 4: Simplify right side
    38,932.55x = 1,129,746,553.70
  5. Step 5: Solve for x
    x = 1,129,746,553.70/38,932.55
  6. Step 6: Final answer
    x = 29,018.05

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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.