Home / 40,475.76-60,703.84-20,744.16

Finding the Fourth Proportional to 40,475.76, 60,703.84 and 20,744.16

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Solution

The fourth proportional to 40,475.76, 60,703.84 and 20,744.16 is: 31,111.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,475.76 : 60,703.84 = 20,744.16 : x
  2. Step 2: Convert to fraction form
    40,475.76/60,703.84 = 20,744.16/x
  3. Step 3: Cross multiply
    40,475.76x = 60,703.84 × 20,744.16
  4. Step 4: Simplify right side
    40,475.76x = 1,259,250,169.57
  5. Step 5: Solve for x
    x = 1,259,250,169.57/40,475.76
  6. Step 6: Final answer
    x = 31,111.22

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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.