Home / 47,652.96-71,445.76-20,986.24

Finding the Fourth Proportional to 47,652.96, 71,445.76 and 20,986.24

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Solution

The fourth proportional to 47,652.96, 71,445.76 and 20,986.24 is: 31,464.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,652.96 : 71,445.76 = 20,986.24 : x
  2. Step 2: Convert to fraction form
    47,652.96/71,445.76 = 20,986.24/x
  3. Step 3: Cross multiply
    47,652.96x = 71,445.76 × 20,986.24
  4. Step 4: Simplify right side
    47,652.96x = 1,499,377,866.34
  5. Step 5: Solve for x
    x = 1,499,377,866.34/47,652.96
  6. Step 6: Final answer
    x = 31,464.53

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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.