Home / 31,434.74-43,382.10-17,287.58

Finding the Fourth Proportional to 31,434.74, 43,382.10 and 17,287.58

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Solution

The fourth proportional to 31,434.74, 43,382.10 and 17,287.58 is: 23,858.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434.74 : 43,382.10 = 17,287.58 : x
  2. Step 2: Convert to fraction form
    31,434.74/43,382.10 = 17,287.58/x
  3. Step 3: Cross multiply
    31,434.74x = 43,382.10 × 17,287.58
  4. Step 4: Simplify right side
    31,434.74x = 749,971,524.32
  5. Step 5: Solve for x
    x = 749,971,524.32/31,434.74
  6. Step 6: Final answer
    x = 23,858.05

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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.