Home / 31,164.40-43,006.28-17,017.36

Finding the Fourth Proportional to 31,164.40, 43,006.28 and 17,017.36

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Solution

The fourth proportional to 31,164.40, 43,006.28 and 17,017.36 is: 23,483.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,164.40 : 43,006.28 = 17,017.36 : x
  2. Step 2: Convert to fraction form
    31,164.40/43,006.28 = 17,017.36/x
  3. Step 3: Cross multiply
    31,164.40x = 43,006.28 × 17,017.36
  4. Step 4: Simplify right side
    31,164.40x = 731,853,349.02
  5. Step 5: Solve for x
    x = 731,853,349.02/31,164.40
  6. Step 6: Final answer
    x = 23,483.63

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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.