Home / 35,147.28-52,718.22-12,956.52

Finding the Fourth Proportional to 35,147.28, 52,718.22 and 12,956.52

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Solution

The fourth proportional to 35,147.28, 52,718.22 and 12,956.52 is: 19,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,147.28 : 52,718.22 = 12,956.52 : x
  2. Step 2: Convert to fraction form
    35,147.28/52,718.22 = 12,956.52/x
  3. Step 3: Cross multiply
    35,147.28x = 52,718.22 × 12,956.52
  4. Step 4: Simplify right side
    35,147.28x = 683,044,671.79
  5. Step 5: Solve for x
    x = 683,044,671.79/35,147.28
  6. Step 6: Final answer
    x = 19,433.78

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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.