Home / 44,041.24-66,072.66-20,640.40

Finding the Fourth Proportional to 44,041.24, 66,072.66 and 20,640.40

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Solution

The fourth proportional to 44,041.24, 66,072.66 and 20,640.40 is: 30,965.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,041.24 : 66,072.66 = 20,640.40 : x
  2. Step 2: Convert to fraction form
    44,041.24/66,072.66 = 20,640.40/x
  3. Step 3: Cross multiply
    44,041.24x = 66,072.66 × 20,640.40
  4. Step 4: Simplify right side
    44,041.24x = 1,363,766,131.46
  5. Step 5: Solve for x
    x = 1,363,766,131.46/44,041.24
  6. Step 6: Final answer
    x = 30,965.66

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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.