Home / 38,888.43-53,553.02-33,781.61

Finding the Fourth Proportional to 38,888.43, 53,553.02 and 33,781.61

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Solution

The fourth proportional to 38,888.43, 53,553.02 and 33,781.61 is: 46,520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,888.43 : 53,553.02 = 33,781.61 : x
  2. Step 2: Convert to fraction form
    38,888.43/53,553.02 = 33,781.61/x
  3. Step 3: Cross multiply
    38,888.43x = 53,553.02 × 33,781.61
  4. Step 4: Simplify right side
    38,888.43x = 1,809,107,184.73
  5. Step 5: Solve for x
    x = 1,809,107,184.73/38,888.43
  6. Step 6: Final answer
    x = 46,520.45

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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.