Home / 31,899.93-44,021.92-18,471.90

Finding the Fourth Proportional to 31,899.93, 44,021.92 and 18,471.90

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Solution

The fourth proportional to 31,899.93, 44,021.92 and 18,471.90 is: 25,491.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,899.93 : 44,021.92 = 18,471.90 : x
  2. Step 2: Convert to fraction form
    31,899.93/44,021.92 = 18,471.90/x
  3. Step 3: Cross multiply
    31,899.93x = 44,021.92 × 18,471.90
  4. Step 4: Simplify right side
    31,899.93x = 813,168,237.76
  5. Step 5: Solve for x
    x = 813,168,237.76/31,899.93
  6. Step 6: Final answer
    x = 25,491.23

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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.