Home / 47,847.60-66,025.80-29,930.40

Finding the Fourth Proportional to 47,847.60, 66,025.80 and 29,930.40

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Solution

The fourth proportional to 47,847.60, 66,025.80 and 29,930.40 is: 41,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,847.60 : 66,025.80 = 29,930.40 : x
  2. Step 2: Convert to fraction form
    47,847.60/66,025.80 = 29,930.40/x
  3. Step 3: Cross multiply
    47,847.60x = 66,025.80 × 29,930.40
  4. Step 4: Simplify right side
    47,847.60x = 1,976,178,604.32
  5. Step 5: Solve for x
    x = 1,976,178,604.32/47,847.60
  6. Step 6: Final answer
    x = 41,301.52

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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.