Home / 44,102.88-66,155.40-12,938.04

Finding the Fourth Proportional to 44,102.88, 66,155.40 and 12,938.04

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Solution

The fourth proportional to 44,102.88, 66,155.40 and 12,938.04 is: 19,407.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,102.88 : 66,155.40 = 12,938.04 : x
  2. Step 2: Convert to fraction form
    44,102.88/66,155.40 = 12,938.04/x
  3. Step 3: Cross multiply
    44,102.88x = 66,155.40 × 12,938.04
  4. Step 4: Simplify right side
    44,102.88x = 855,921,211.42
  5. Step 5: Solve for x
    x = 855,921,211.42/44,102.88
  6. Step 6: Final answer
    x = 19,407.38

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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.