Home / 31,401.15-43,333.08-17,253.69

Finding the Fourth Proportional to 31,401.15, 43,333.08 and 17,253.69

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Solution

The fourth proportional to 31,401.15, 43,333.08 and 17,253.69 is: 23,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.15 : 43,333.08 = 17,253.69 : x
  2. Step 2: Convert to fraction form
    31,401.15/43,333.08 = 17,253.69/x
  3. Step 3: Cross multiply
    31,401.15x = 43,333.08 × 17,253.69
  4. Step 4: Simplify right side
    31,401.15x = 747,655,529.07
  5. Step 5: Solve for x
    x = 747,655,529.07/31,401.15
  6. Step 6: Final answer
    x = 23,809.81

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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.