Home / 44,385.36-66,612.12-18,112.20

Finding the Fourth Proportional to 44,385.36, 66,612.12 and 18,112.20

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Solution

The fourth proportional to 44,385.36, 66,612.12 and 18,112.20 is: 27,182.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,385.36 : 66,612.12 = 18,112.20 : x
  2. Step 2: Convert to fraction form
    44,385.36/66,612.12 = 18,112.20/x
  3. Step 3: Cross multiply
    44,385.36x = 66,612.12 × 18,112.20
  4. Step 4: Simplify right side
    44,385.36x = 1,206,492,039.86
  5. Step 5: Solve for x
    x = 1,206,492,039.86/44,385.36
  6. Step 6: Final answer
    x = 27,182.21

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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.