Home / 47,399.32-71,113.65-28,445.12

Finding the Fourth Proportional to 47,399.32, 71,113.65 and 28,445.12

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Solution

The fourth proportional to 47,399.32, 71,113.65 and 28,445.12 is: 42,676.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,399.32 : 71,113.65 = 28,445.12 : x
  2. Step 2: Convert to fraction form
    47,399.32/71,113.65 = 28,445.12/x
  3. Step 3: Cross multiply
    47,399.32x = 71,113.65 × 28,445.12
  4. Step 4: Simplify right side
    47,399.32x = 2,022,836,307.89
  5. Step 5: Solve for x
    x = 2,022,836,307.89/47,399.32
  6. Step 6: Final answer
    x = 42,676.48

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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.