Home / 55,517.22-76,595.34-31,315.20

Finding the Fourth Proportional to 55,517.22, 76,595.34 and 31,315.20

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Solution

The fourth proportional to 55,517.22, 76,595.34 and 31,315.20 is: 43,204.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,517.22 : 76,595.34 = 31,315.20 : x
  2. Step 2: Convert to fraction form
    55,517.22/76,595.34 = 31,315.20/x
  3. Step 3: Cross multiply
    55,517.22x = 76,595.34 × 31,315.20
  4. Step 4: Simplify right side
    55,517.22x = 2,398,598,391.17
  5. Step 5: Solve for x
    x = 2,398,598,391.17/55,517.22
  6. Step 6: Final answer
    x = 43,204.58

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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.