Home / 47,397.76-65,359.92-40,705.56

Finding the Fourth Proportional to 47,397.76, 65,359.92 and 40,705.56

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Solution

The fourth proportional to 47,397.76, 65,359.92 and 40,705.56 is: 56,131.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,397.76 : 65,359.92 = 40,705.56 : x
  2. Step 2: Convert to fraction form
    47,397.76/65,359.92 = 40,705.56/x
  3. Step 3: Cross multiply
    47,397.76x = 65,359.92 × 40,705.56
  4. Step 4: Simplify right side
    47,397.76x = 2,660,512,145.16
  5. Step 5: Solve for x
    x = 2,660,512,145.16/47,397.76
  6. Step 6: Final answer
    x = 56,131.60

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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.