Home / 31,415.18-43,351.61-17,267.99

Finding the Fourth Proportional to 31,415.18, 43,351.61 and 17,267.99

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Solution

The fourth proportional to 31,415.18, 43,351.61 and 17,267.99 is: 23,829.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,415.18 : 43,351.61 = 17,267.99 : x
  2. Step 2: Convert to fraction form
    31,415.18/43,351.61 = 17,267.99/x
  3. Step 3: Cross multiply
    31,415.18x = 43,351.61 × 17,267.99
  4. Step 4: Simplify right side
    31,415.18x = 748,594,864.87
  5. Step 5: Solve for x
    x = 748,594,864.87/31,415.18
  6. Step 6: Final answer
    x = 23,829.08

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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.