Home / 71,632.15-107,440.63-19,046.95

Finding the Fourth Proportional to 71,632.15, 107,440.63 and 19,046.95

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Solution

The fourth proportional to 71,632.15, 107,440.63 and 19,046.95 is: 28,568.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,632.15 : 107,440.63 = 19,046.95 : x
  2. Step 2: Convert to fraction form
    71,632.15/107,440.63 = 19,046.95/x
  3. Step 3: Cross multiply
    71,632.15x = 107,440.63 × 19,046.95
  4. Step 4: Simplify right side
    71,632.15x = 2,046,415,991.36
  5. Step 5: Solve for x
    x = 2,046,415,991.36/71,632.15
  6. Step 6: Final answer
    x = 28,568.40

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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.