Home / 55,715.52-76,884.48-31,839.04

Finding the Fourth Proportional to 55,715.52, 76,884.48 and 31,839.04

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Solution

The fourth proportional to 55,715.52, 76,884.48 and 31,839.04 is: 43,936.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,715.52 : 76,884.48 = 31,839.04 : x
  2. Step 2: Convert to fraction form
    55,715.52/76,884.48 = 31,839.04/x
  3. Step 3: Cross multiply
    55,715.52x = 76,884.48 × 31,839.04
  4. Step 4: Simplify right side
    55,715.52x = 2,447,928,034.10
  5. Step 5: Solve for x
    x = 2,447,928,034.10/55,715.52
  6. Step 6: Final answer
    x = 43,936.20

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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.