Home / 48,002.40-66,222.84-30,085.20

Finding the Fourth Proportional to 48,002.40, 66,222.84 and 30,085.20

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Solution

The fourth proportional to 48,002.40, 66,222.84 and 30,085.20 is: 41,504.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,002.40 : 66,222.84 = 30,085.20 : x
  2. Step 2: Convert to fraction form
    48,002.40/66,222.84 = 30,085.20/x
  3. Step 3: Cross multiply
    48,002.40x = 66,222.84 × 30,085.20
  4. Step 4: Simplify right side
    48,002.40x = 1,992,327,385.97
  5. Step 5: Solve for x
    x = 1,992,327,385.97/48,002.40
  6. Step 6: Final answer
    x = 41,504.75

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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.