Home / 66,258.26-99,367.16-18,877.22

Finding the Fourth Proportional to 66,258.26, 99,367.16 and 18,877.22

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Solution

The fourth proportional to 66,258.26, 99,367.16 and 18,877.22 is: 28,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,258.26 : 99,367.16 = 18,877.22 : x
  2. Step 2: Convert to fraction form
    66,258.26/99,367.16 = 18,877.22/x
  3. Step 3: Cross multiply
    66,258.26x = 99,367.16 × 18,877.22
  4. Step 4: Simplify right side
    66,258.26x = 1,875,775,740.10
  5. Step 5: Solve for x
    x = 1,875,775,740.10/66,258.26
  6. Step 6: Final answer
    x = 28,310.07

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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.