Home / 67,815.09-101,711.03-17,895.71

Finding the Fourth Proportional to 67,815.09, 101,711.03 and 17,895.71

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Solution

The fourth proportional to 67,815.09, 101,711.03 and 17,895.71 is: 26,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,815.09 : 101,711.03 = 17,895.71 : x
  2. Step 2: Convert to fraction form
    67,815.09/101,711.03 = 17,895.71/x
  3. Step 3: Cross multiply
    67,815.09x = 101,711.03 × 17,895.71
  4. Step 4: Simplify right side
    67,815.09x = 1,820,191,261.48
  5. Step 5: Solve for x
    x = 1,820,191,261.48/67,815.09
  6. Step 6: Final answer
    x = 26,840.50

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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.