Home / 38,027.66-52,478.28-21,260.66

Finding the Fourth Proportional to 38,027.66, 52,478.28 and 21,260.66

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Solution

The fourth proportional to 38,027.66, 52,478.28 and 21,260.66 is: 29,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,027.66 : 52,478.28 = 21,260.66 : x
  2. Step 2: Convert to fraction form
    38,027.66/52,478.28 = 21,260.66/x
  3. Step 3: Cross multiply
    38,027.66x = 52,478.28 × 21,260.66
  4. Step 4: Simplify right side
    38,027.66x = 1,115,722,868.46
  5. Step 5: Solve for x
    x = 1,115,722,868.46/38,027.66
  6. Step 6: Final answer
    x = 29,339.77

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Double scale
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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.