Home / 54,013.83-74,542.85-30,140.90

Finding the Fourth Proportional to 54,013.83, 74,542.85 and 30,140.90

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Solution

The fourth proportional to 54,013.83, 74,542.85 and 30,140.90 is: 41,596.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,013.83 : 74,542.85 = 30,140.90 : x
  2. Step 2: Convert to fraction form
    54,013.83/74,542.85 = 30,140.90/x
  3. Step 3: Cross multiply
    54,013.83x = 74,542.85 × 30,140.90
  4. Step 4: Simplify right side
    54,013.83x = 2,246,788,587.57
  5. Step 5: Solve for x
    x = 2,246,788,587.57/54,013.83
  6. Step 6: Final answer
    x = 41,596.54

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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.