Home / 40,384.24-60,578.40-15,426.44

Finding the Fourth Proportional to 40,384.24, 60,578.40 and 15,426.44

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Solution

The fourth proportional to 40,384.24, 60,578.40 and 15,426.44 is: 23,140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,384.24 : 60,578.40 = 15,426.44 : x
  2. Step 2: Convert to fraction form
    40,384.24/60,578.40 = 15,426.44/x
  3. Step 3: Cross multiply
    40,384.24x = 60,578.40 × 15,426.44
  4. Step 4: Simplify right side
    40,384.24x = 934,509,052.90
  5. Step 5: Solve for x
    x = 934,509,052.90/40,384.24
  6. Step 6: Final answer
    x = 23,140.44

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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.