Home / 40,471.47-60,707.21-21,760.32

Finding the Fourth Proportional to 40,471.47, 60,707.21 and 21,760.32

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Solution

The fourth proportional to 40,471.47, 60,707.21 and 21,760.32 is: 32,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,471.47 : 60,707.21 = 21,760.32 : x
  2. Step 2: Convert to fraction form
    40,471.47/60,707.21 = 21,760.32/x
  3. Step 3: Cross multiply
    40,471.47x = 60,707.21 × 21,760.32
  4. Step 4: Simplify right side
    40,471.47x = 1,321,008,207.11
  5. Step 5: Solve for x
    x = 1,321,008,207.11/40,471.47
  6. Step 6: Final answer
    x = 32,640.48

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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.