Home / 47,445.12-71,175.06-15,845.40

Finding the Fourth Proportional to 47,445.12, 71,175.06 and 15,845.40

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Solution

The fourth proportional to 47,445.12, 71,175.06 and 15,845.40 is: 23,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,445.12 : 71,175.06 = 15,845.40 : x
  2. Step 2: Convert to fraction form
    47,445.12/71,175.06 = 15,845.40/x
  3. Step 3: Cross multiply
    47,445.12x = 71,175.06 × 15,845.40
  4. Step 4: Simplify right side
    47,445.12x = 1,127,797,295.72
  5. Step 5: Solve for x
    x = 1,127,797,295.72/47,445.12
  6. Step 6: Final answer
    x = 23,770.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.