Home / 31,354.07-43,266.89-17,205.80

Finding the Fourth Proportional to 31,354.07, 43,266.89 and 17,205.80

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Solution

The fourth proportional to 31,354.07, 43,266.89 and 17,205.80 is: 23,743.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.07 : 43,266.89 = 17,205.80 : x
  2. Step 2: Convert to fraction form
    31,354.07/43,266.89 = 17,205.80/x
  3. Step 3: Cross multiply
    31,354.07x = 43,266.89 × 17,205.80
  4. Step 4: Simplify right side
    31,354.07x = 744,441,153.60
  5. Step 5: Solve for x
    x = 744,441,153.60/31,354.07
  6. Step 6: Final answer
    x = 23,743.05

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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.