Home / 31,360.16-43,278.68-17,934.11

Finding the Fourth Proportional to 31,360.16, 43,278.68 and 17,934.11

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Solution

The fourth proportional to 31,360.16, 43,278.68 and 17,934.11 is: 24,750.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.16 : 43,278.68 = 17,934.11 : x
  2. Step 2: Convert to fraction form
    31,360.16/43,278.68 = 17,934.11/x
  3. Step 3: Cross multiply
    31,360.16x = 43,278.68 × 17,934.11
  4. Step 4: Simplify right side
    31,360.16x = 776,164,548.07
  5. Step 5: Solve for x
    x = 776,164,548.07/31,360.16
  6. Step 6: Final answer
    x = 24,750.02

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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.