Home / 31,235.88-43,106.40-17,089.62

Finding the Fourth Proportional to 31,235.88, 43,106.40 and 17,089.62

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Solution

The fourth proportional to 31,235.88, 43,106.40 and 17,089.62 is: 23,584.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,235.88 : 43,106.40 = 17,089.62 : x
  2. Step 2: Convert to fraction form
    31,235.88/43,106.40 = 17,089.62/x
  3. Step 3: Cross multiply
    31,235.88x = 43,106.40 × 17,089.62
  4. Step 4: Simplify right side
    31,235.88x = 736,671,995.57
  5. Step 5: Solve for x
    x = 736,671,995.57/31,235.88
  6. Step 6: Final answer
    x = 23,584.16

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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.