Home / 47,860.60-66,029.90-47,786.78

Finding the Fourth Proportional to 47,860.60, 66,029.90 and 47,786.78

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Solution

The fourth proportional to 47,860.60, 66,029.90 and 47,786.78 is: 65,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,860.60 : 66,029.90 = 47,786.78 : x
  2. Step 2: Convert to fraction form
    47,860.60/66,029.90 = 47,786.78/x
  3. Step 3: Cross multiply
    47,860.60x = 66,029.90 × 47,786.78
  4. Step 4: Simplify right side
    47,860.60x = 3,155,356,304.72
  5. Step 5: Solve for x
    x = 3,155,356,304.72/47,860.60
  6. Step 6: Final answer
    x = 65,928.06

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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.