Home / 31,908.90-44,038.42-18,302.25

Finding the Fourth Proportional to 31,908.90, 44,038.42 and 18,302.25

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Solution

The fourth proportional to 31,908.90, 44,038.42 and 18,302.25 is: 25,259.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,908.90 : 44,038.42 = 18,302.25 : x
  2. Step 2: Convert to fraction form
    31,908.90/44,038.42 = 18,302.25/x
  3. Step 3: Cross multiply
    31,908.90x = 44,038.42 × 18,302.25
  4. Step 4: Simplify right side
    31,908.90x = 806,002,236.79
  5. Step 5: Solve for x
    x = 806,002,236.79/31,908.90
  6. Step 6: Final answer
    x = 25,259.48

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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.