Home / 38,961.59-53,764.29-21,966.44

Finding the Fourth Proportional to 38,961.59, 53,764.29 and 21,966.44

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Solution

The fourth proportional to 38,961.59, 53,764.29 and 21,966.44 is: 30,312.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,961.59 : 53,764.29 = 21,966.44 : x
  2. Step 2: Convert to fraction form
    38,961.59/53,764.29 = 21,966.44/x
  3. Step 3: Cross multiply
    38,961.59x = 53,764.29 × 21,966.44
  4. Step 4: Simplify right side
    38,961.59x = 1,181,009,781.61
  5. Step 5: Solve for x
    x = 1,181,009,781.61/38,961.59
  6. Step 6: Final answer
    x = 30,312.16

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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.