Home / 31,435.06-43,381.30-17,288.82

Finding the Fourth Proportional to 31,435.06, 43,381.30 and 17,288.82

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Solution

The fourth proportional to 31,435.06, 43,381.30 and 17,288.82 is: 23,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,435.06 : 43,381.30 = 17,288.82 : x
  2. Step 2: Convert to fraction form
    31,435.06/43,381.30 = 17,288.82/x
  3. Step 3: Cross multiply
    31,435.06x = 43,381.30 × 17,288.82
  4. Step 4: Simplify right side
    31,435.06x = 750,011,487.07
  5. Step 5: Solve for x
    x = 750,011,487.07/31,435.06
  6. Step 6: Final answer
    x = 23,859.08

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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.