Home / 31,919.16-44,052.30-18,312.18

Finding the Fourth Proportional to 31,919.16, 44,052.30 and 18,312.18

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Solution

The fourth proportional to 31,919.16, 44,052.30 and 18,312.18 is: 25,273.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,919.16 : 44,052.30 = 18,312.18 : x
  2. Step 2: Convert to fraction form
    31,919.16/44,052.30 = 18,312.18/x
  3. Step 3: Cross multiply
    31,919.16x = 44,052.30 × 18,312.18
  4. Step 4: Simplify right side
    31,919.16x = 806,693,647.01
  5. Step 5: Solve for x
    x = 806,693,647.01/31,919.16
  6. Step 6: Final answer
    x = 25,273.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.