Home / 47,115.80-65,019.28-25,605.32

Finding the Fourth Proportional to 47,115.80, 65,019.28 and 25,605.32

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Solution

The fourth proportional to 47,115.80, 65,019.28 and 25,605.32 is: 35,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.80 : 65,019.28 = 25,605.32 : x
  2. Step 2: Convert to fraction form
    47,115.80/65,019.28 = 25,605.32/x
  3. Step 3: Cross multiply
    47,115.80x = 65,019.28 × 25,605.32
  4. Step 4: Simplify right side
    47,115.80x = 1,664,839,470.57
  5. Step 5: Solve for x
    x = 1,664,839,470.57/47,115.80
  6. Step 6: Final answer
    x = 35,335.06

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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.