Home / 35,119.28-52,684.16-12,930.95

Finding the Fourth Proportional to 35,119.28, 52,684.16 and 12,930.95

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Solution

The fourth proportional to 35,119.28, 52,684.16 and 12,930.95 is: 19,398.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,119.28 : 52,684.16 = 12,930.95 : x
  2. Step 2: Convert to fraction form
    35,119.28/52,684.16 = 12,930.95/x
  3. Step 3: Cross multiply
    35,119.28x = 52,684.16 × 12,930.95
  4. Step 4: Simplify right side
    35,119.28x = 681,256,238.75
  5. Step 5: Solve for x
    x = 681,256,238.75/35,119.28
  6. Step 6: Final answer
    x = 19,398.35

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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.