Home / 38,285.19-52,836.44-21,292.47

Finding the Fourth Proportional to 38,285.19, 52,836.44 and 21,292.47

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Solution

The fourth proportional to 38,285.19, 52,836.44 and 21,292.47 is: 29,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.19 : 52,836.44 = 21,292.47 : x
  2. Step 2: Convert to fraction form
    38,285.19/52,836.44 = 21,292.47/x
  3. Step 3: Cross multiply
    38,285.19x = 52,836.44 × 21,292.47
  4. Step 4: Simplify right side
    38,285.19x = 1,125,018,207.14
  5. Step 5: Solve for x
    x = 1,125,018,207.14/38,285.19
  6. Step 6: Final answer
    x = 29,385.21

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Half scale
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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.