Home / 54,114.04-74,677.20-30,240.72

Finding the Fourth Proportional to 54,114.04, 74,677.20 and 30,240.72

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Solution

The fourth proportional to 54,114.04, 74,677.20 and 30,240.72 is: 41,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,114.04 : 74,677.20 = 30,240.72 : x
  2. Step 2: Convert to fraction form
    54,114.04/74,677.20 = 30,240.72/x
  3. Step 3: Cross multiply
    54,114.04x = 74,677.20 × 30,240.72
  4. Step 4: Simplify right side
    54,114.04x = 2,258,292,295.58
  5. Step 5: Solve for x
    x = 2,258,292,295.58/54,114.04
  6. Step 6: Final answer
    x = 41,732.10

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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.