Home / 31,681.59-43,725.23-18,250.26

Finding the Fourth Proportional to 31,681.59, 43,725.23 and 18,250.26

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Solution

The fourth proportional to 31,681.59, 43,725.23 and 18,250.26 is: 25,188.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,681.59 : 43,725.23 = 18,250.26 : x
  2. Step 2: Convert to fraction form
    31,681.59/43,725.23 = 18,250.26/x
  3. Step 3: Cross multiply
    31,681.59x = 43,725.23 × 18,250.26
  4. Step 4: Simplify right side
    31,681.59x = 797,996,816.06
  5. Step 5: Solve for x
    x = 797,996,816.06/31,681.59
  6. Step 6: Final answer
    x = 25,188.03

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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.