Home / 74,853.36-112,213.98-30,517.20

Finding the Fourth Proportional to 74,853.36, 112,213.98 and 30,517.20

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Solution

The fourth proportional to 74,853.36, 112,213.98 and 30,517.20 is: 45,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,853.36 : 112,213.98 = 30,517.20 : x
  2. Step 2: Convert to fraction form
    74,853.36/112,213.98 = 30,517.20/x
  3. Step 3: Cross multiply
    74,853.36x = 112,213.98 × 30,517.20
  4. Step 4: Simplify right side
    74,853.36x = 3,424,456,470.46
  5. Step 5: Solve for x
    x = 3,424,456,470.46/74,853.36
  6. Step 6: Final answer
    x = 45,748.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.