Home / 30,569.28-42,188.97-17,141.82

Finding the Fourth Proportional to 30,569.28, 42,188.97 and 17,141.82

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Solution

The fourth proportional to 30,569.28, 42,188.97 and 17,141.82 is: 23,657.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,569.28 : 42,188.97 = 17,141.82 : x
  2. Step 2: Convert to fraction form
    30,569.28/42,188.97 = 17,141.82/x
  3. Step 3: Cross multiply
    30,569.28x = 42,188.97 × 17,141.82
  4. Step 4: Simplify right side
    30,569.28x = 723,195,729.73
  5. Step 5: Solve for x
    x = 723,195,729.73/30,569.28
  6. Step 6: Final answer
    x = 23,657.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.