Home / 67,763.07-101,626.89-20,365.49

Finding the Fourth Proportional to 67,763.07, 101,626.89 and 20,365.49

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Solution

The fourth proportional to 67,763.07, 101,626.89 and 20,365.49 is: 30,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,763.07 : 101,626.89 = 20,365.49 : x
  2. Step 2: Convert to fraction form
    67,763.07/101,626.89 = 20,365.49/x
  3. Step 3: Cross multiply
    67,763.07x = 101,626.89 × 20,365.49
  4. Step 4: Simplify right side
    67,763.07x = 2,069,681,332.82
  5. Step 5: Solve for x
    x = 2,069,681,332.82/67,763.07
  6. Step 6: Final answer
    x = 30,542.91

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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.