Home / 40,364.28-60,510.90-15,723

Finding the Fourth Proportional to 40,364.28, 60,510.90 and 15,723

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Solution

The fourth proportional to 40,364.28, 60,510.90 and 15,723 is: 23,570.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,364.28 : 60,510.90 = 15,723 : x
  2. Step 2: Convert to fraction form
    40,364.28/60,510.90 = 15,723/x
  3. Step 3: Cross multiply
    40,364.28x = 60,510.90 × 15,723
  4. Step 4: Simplify right side
    40,364.28x = 951,412,880.70
  5. Step 5: Solve for x
    x = 951,412,880.70/40,364.28
  6. Step 6: Final answer
    x = 23,570.66

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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.