Home / 50,639.12-69,882.60-27,978.02

Finding the Fourth Proportional to 50,639.12, 69,882.60 and 27,978.02

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Solution

The fourth proportional to 50,639.12, 69,882.60 and 27,978.02 is: 38,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,639.12 : 69,882.60 = 27,978.02 : x
  2. Step 2: Convert to fraction form
    50,639.12/69,882.60 = 27,978.02/x
  3. Step 3: Cross multiply
    50,639.12x = 69,882.60 × 27,978.02
  4. Step 4: Simplify right side
    50,639.12x = 1,955,176,780.45
  5. Step 5: Solve for x
    x = 1,955,176,780.45/50,639.12
  6. Step 6: Final answer
    x = 38,610.01

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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.