Home / 47,949.60-66,198.80-42,629.70

Finding the Fourth Proportional to 47,949.60, 66,198.80 and 42,629.70

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Solution

The fourth proportional to 47,949.60, 66,198.80 and 42,629.70 is: 58,854.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,949.60 : 66,198.80 = 42,629.70 : x
  2. Step 2: Convert to fraction form
    47,949.60/66,198.80 = 42,629.70/x
  3. Step 3: Cross multiply
    47,949.60x = 66,198.80 × 42,629.70
  4. Step 4: Simplify right side
    47,949.60x = 2,822,034,984.36
  5. Step 5: Solve for x
    x = 2,822,034,984.36/47,949.60
  6. Step 6: Final answer
    x = 58,854.19

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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.