Home / 53,982.18-74,586.78-38,844.90

Finding the Fourth Proportional to 53,982.18, 74,586.78 and 38,844.90

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Solution

The fourth proportional to 53,982.18, 74,586.78 and 38,844.90 is: 53,671.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,982.18 : 74,586.78 = 38,844.90 : x
  2. Step 2: Convert to fraction form
    53,982.18/74,586.78 = 38,844.90/x
  3. Step 3: Cross multiply
    53,982.18x = 74,586.78 × 38,844.90
  4. Step 4: Simplify right side
    53,982.18x = 2,897,316,010.42
  5. Step 5: Solve for x
    x = 2,897,316,010.42/53,982.18
  6. Step 6: Final answer
    x = 53,671.71

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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.