Home / 54,177.93-74,725.61-39,120.30

Finding the Fourth Proportional to 54,177.93, 74,725.61 and 39,120.30

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Solution

The fourth proportional to 54,177.93, 74,725.61 and 39,120.30 is: 53,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,177.93 : 74,725.61 = 39,120.30 : x
  2. Step 2: Convert to fraction form
    54,177.93/74,725.61 = 39,120.30/x
  3. Step 3: Cross multiply
    54,177.93x = 74,725.61 × 39,120.30
  4. Step 4: Simplify right side
    54,177.93x = 2,923,288,085.28
  5. Step 5: Solve for x
    x = 2,923,288,085.28/54,177.93
  6. Step 6: Final answer
    x = 53,957.18

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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.