Home / 31,263.66-43,143.95-17,117.42

Finding the Fourth Proportional to 31,263.66, 43,143.95 and 17,117.42

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Solution

The fourth proportional to 31,263.66, 43,143.95 and 17,117.42 is: 23,622.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263.66 : 43,143.95 = 17,117.42 : x
  2. Step 2: Convert to fraction form
    31,263.66/43,143.95 = 17,117.42/x
  3. Step 3: Cross multiply
    31,263.66x = 43,143.95 × 17,117.42
  4. Step 4: Simplify right side
    31,263.66x = 738,513,112.61
  5. Step 5: Solve for x
    x = 738,513,112.61/31,263.66
  6. Step 6: Final answer
    x = 23,622.09

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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.