Home / 44,017.43-66,026.66-12,428.28

Finding the Fourth Proportional to 44,017.43, 66,026.66 and 12,428.28

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Solution

The fourth proportional to 44,017.43, 66,026.66 and 12,428.28 is: 18,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,017.43 : 66,026.66 = 12,428.28 : x
  2. Step 2: Convert to fraction form
    44,017.43/66,026.66 = 12,428.28/x
  3. Step 3: Cross multiply
    44,017.43x = 66,026.66 × 12,428.28
  4. Step 4: Simplify right side
    44,017.43x = 820,597,755.80
  5. Step 5: Solve for x
    x = 820,597,755.80/44,017.43
  6. Step 6: Final answer
    x = 18,642.57

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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.