Home / 38,815.52-53,553.12-22,905.44

Finding the Fourth Proportional to 38,815.52, 53,553.12 and 22,905.44

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Solution

The fourth proportional to 38,815.52, 53,553.12 and 22,905.44 is: 31,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,815.52 : 53,553.12 = 22,905.44 : x
  2. Step 2: Convert to fraction form
    38,815.52/53,553.12 = 22,905.44/x
  3. Step 3: Cross multiply
    38,815.52x = 53,553.12 × 22,905.44
  4. Step 4: Simplify right side
    38,815.52x = 1,226,657,776.97
  5. Step 5: Solve for x
    x = 1,226,657,776.97/38,815.52
  6. Step 6: Final answer
    x = 31,602.25

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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.