Home / 44,223.12-66,344.40-20,849.76

Finding the Fourth Proportional to 44,223.12, 66,344.40 and 20,849.76

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Solution

The fourth proportional to 44,223.12, 66,344.40 and 20,849.76 is: 31,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,223.12 : 66,344.40 = 20,849.76 : x
  2. Step 2: Convert to fraction form
    44,223.12/66,344.40 = 20,849.76/x
  3. Step 3: Cross multiply
    44,223.12x = 66,344.40 × 20,849.76
  4. Step 4: Simplify right side
    44,223.12x = 1,383,264,817.34
  5. Step 5: Solve for x
    x = 1,383,264,817.34/44,223.12
  6. Step 6: Final answer
    x = 31,279.22

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1.5x scale

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.