Home / 31,353.23-43,264.60-18,604.23

Finding the Fourth Proportional to 31,353.23, 43,264.60 and 18,604.23

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Solution

The fourth proportional to 31,353.23, 43,264.60 and 18,604.23 is: 25,672.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.23 : 43,264.60 = 18,604.23 : x
  2. Step 2: Convert to fraction form
    31,353.23/43,264.60 = 18,604.23/x
  3. Step 3: Cross multiply
    31,353.23x = 43,264.60 × 18,604.23
  4. Step 4: Simplify right side
    31,353.23x = 804,904,360.51
  5. Step 5: Solve for x
    x = 804,904,360.51/31,353.23
  6. Step 6: Final answer
    x = 25,672.13

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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.