Home / 44,213.31-66,330.90-20,834.28

Finding the Fourth Proportional to 44,213.31, 66,330.90 and 20,834.28

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Solution

The fourth proportional to 44,213.31, 66,330.90 and 20,834.28 is: 31,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,213.31 : 66,330.90 = 20,834.28 : x
  2. Step 2: Convert to fraction form
    44,213.31/66,330.90 = 20,834.28/x
  3. Step 3: Cross multiply
    44,213.31x = 66,330.90 × 20,834.28
  4. Step 4: Simplify right side
    44,213.31x = 1,381,956,543.25
  5. Step 5: Solve for x
    x = 1,381,956,543.25/44,213.31
  6. Step 6: Final answer
    x = 31,256.57

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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.