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Finding the Fourth Proportional to 66,374, 99,561 and 22,598

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Solution

The fourth proportional to 66,374, 99,561 and 22,598 is: 33,897

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,374 : 99,561 = 22,598 : x
  2. Step 2: Convert to fraction form
    66,374/99,561 = 22,598/x
  3. Step 3: Cross multiply
    66,374x = 99,561 × 22,598
  4. Step 4: Simplify right side
    66,374x = 2,249,879,478
  5. Step 5: Solve for x
    x = 2,249,879,478/66,374
  6. Step 6: Final answer
    x = 33,897

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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.