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Finding the Fourth Proportional to 67,388.95, 101,060.88 and 22,399.93

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Solution

The fourth proportional to 67,388.95, 101,060.88 and 22,399.93 is: 33,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,388.95 : 101,060.88 = 22,399.93 : x
  2. Step 2: Convert to fraction form
    67,388.95/101,060.88 = 22,399.93/x
  3. Step 3: Cross multiply
    67,388.95x = 101,060.88 × 22,399.93
  4. Step 4: Simplify right side
    67,388.95x = 2,263,756,637.74
  5. Step 5: Solve for x
    x = 2,263,756,637.74/67,388.95
  6. Step 6: Final answer
    x = 33,592.40

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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.