Home / 31,555.17-43,543.98-17,408.25

Finding the Fourth Proportional to 31,555.17, 43,543.98 and 17,408.25

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Solution

The fourth proportional to 31,555.17, 43,543.98 and 17,408.25 is: 24,022.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,555.17 : 43,543.98 = 17,408.25 : x
  2. Step 2: Convert to fraction form
    31,555.17/43,543.98 = 17,408.25/x
  3. Step 3: Cross multiply
    31,555.17x = 43,543.98 × 17,408.25
  4. Step 4: Simplify right side
    31,555.17x = 758,024,489.84
  5. Step 5: Solve for x
    x = 758,024,489.84/31,555.17
  6. Step 6: Final answer
    x = 24,022.20

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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.