Home / 47,113.55-70,670.19-20,456.09

Finding the Fourth Proportional to 47,113.55, 70,670.19 and 20,456.09

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Solution

The fourth proportional to 47,113.55, 70,670.19 and 20,456.09 is: 30,684.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,113.55 : 70,670.19 = 20,456.09 : x
  2. Step 2: Convert to fraction form
    47,113.55/70,670.19 = 20,456.09/x
  3. Step 3: Cross multiply
    47,113.55x = 70,670.19 × 20,456.09
  4. Step 4: Simplify right side
    47,113.55x = 1,445,635,633.72
  5. Step 5: Solve for x
    x = 1,445,635,633.72/47,113.55
  6. Step 6: Final answer
    x = 30,684.07

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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.