Home / 44,109.90-66,164.76-19,146.72

Finding the Fourth Proportional to 44,109.90, 66,164.76 and 19,146.72

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Solution

The fourth proportional to 44,109.90, 66,164.76 and 19,146.72 is: 28,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,109.90 : 66,164.76 = 19,146.72 : x
  2. Step 2: Convert to fraction form
    44,109.90/66,164.76 = 19,146.72/x
  3. Step 3: Cross multiply
    44,109.90x = 66,164.76 × 19,146.72
  4. Step 4: Simplify right side
    44,109.90x = 1,266,838,133.59
  5. Step 5: Solve for x
    x = 1,266,838,133.59/44,109.90
  6. Step 6: Final answer
    x = 28,720.04

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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.