Home / 66,265.35-99,363.98-19,512.15

Finding the Fourth Proportional to 66,265.35, 99,363.98 and 19,512.15

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Solution

The fourth proportional to 66,265.35, 99,363.98 and 19,512.15 is: 29,258.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,265.35 : 99,363.98 = 19,512.15 : x
  2. Step 2: Convert to fraction form
    66,265.35/99,363.98 = 19,512.15/x
  3. Step 3: Cross multiply
    66,265.35x = 99,363.98 × 19,512.15
  4. Step 4: Simplify right side
    66,265.35x = 1,938,804,784.80
  5. Step 5: Solve for x
    x = 1,938,804,784.80/66,265.35
  6. Step 6: Final answer
    x = 29,258.20

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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.