Home / 54,000.38-74,520.32-30,125.63

Finding the Fourth Proportional to 54,000.38, 74,520.32 and 30,125.63

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Solution

The fourth proportional to 54,000.38, 74,520.32 and 30,125.63 is: 41,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,000.38 : 74,520.32 = 30,125.63 : x
  2. Step 2: Convert to fraction form
    54,000.38/74,520.32 = 30,125.63/x
  3. Step 3: Cross multiply
    54,000.38x = 74,520.32 × 30,125.63
  4. Step 4: Simplify right side
    54,000.38x = 2,244,971,064.57
  5. Step 5: Solve for x
    x = 2,244,971,064.57/54,000.38
  6. Step 6: Final answer
    x = 41,573.25

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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.