Home / 29,517.80-40,731.18-17,578.76

Finding the Fourth Proportional to 29,517.80, 40,731.18 and 17,578.76

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Solution

The fourth proportional to 29,517.80, 40,731.18 and 17,578.76 is: 24,256.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,517.80 : 40,731.18 = 17,578.76 : x
  2. Step 2: Convert to fraction form
    29,517.80/40,731.18 = 17,578.76/x
  3. Step 3: Cross multiply
    29,517.80x = 40,731.18 × 17,578.76
  4. Step 4: Simplify right side
    29,517.80x = 716,003,637.74
  5. Step 5: Solve for x
    x = 716,003,637.74/29,517.80
  6. Step 6: Final answer
    x = 24,256.67

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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.