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Finding the Fourth Proportional to 60,268.71, 90,419.99 and 22,317.41

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Solution

The fourth proportional to 60,268.71, 90,419.99 and 22,317.41 is: 33,482.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,268.71 : 90,419.99 = 22,317.41 : x
  2. Step 2: Convert to fraction form
    60,268.71/90,419.99 = 22,317.41/x
  3. Step 3: Cross multiply
    60,268.71x = 90,419.99 × 22,317.41
  4. Step 4: Simplify right side
    60,268.71x = 2,017,939,989.03
  5. Step 5: Solve for x
    x = 2,017,939,989.03/60,268.71
  6. Step 6: Final answer
    x = 33,482.38

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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.