Home / 35,127.20-52,685.28-12,951.20

Finding the Fourth Proportional to 35,127.20, 52,685.28 and 12,951.20

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Solution

The fourth proportional to 35,127.20, 52,685.28 and 12,951.20 is: 19,424.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,127.20 : 52,685.28 = 12,951.20 : x
  2. Step 2: Convert to fraction form
    35,127.20/52,685.28 = 12,951.20/x
  3. Step 3: Cross multiply
    35,127.20x = 52,685.28 × 12,951.20
  4. Step 4: Simplify right side
    35,127.20x = 682,337,598.34
  5. Step 5: Solve for x
    x = 682,337,598.34/35,127.20
  6. Step 6: Final answer
    x = 19,424.76

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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.