Home / 67,726.40-101,599.36-20,983.36

Finding the Fourth Proportional to 67,726.40, 101,599.36 and 20,983.36

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Solution

The fourth proportional to 67,726.40, 101,599.36 and 20,983.36 is: 31,478.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,726.40 : 101,599.36 = 20,983.36 : x
  2. Step 2: Convert to fraction form
    67,726.40/101,599.36 = 20,983.36/x
  3. Step 3: Cross multiply
    67,726.40x = 101,599.36 × 20,983.36
  4. Step 4: Simplify right side
    67,726.40x = 2,131,895,946.65
  5. Step 5: Solve for x
    x = 2,131,895,946.65/67,726.40
  6. Step 6: Final answer
    x = 31,478.06

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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.