Home / 31,889.10-44,003.88-18,457.68

Finding the Fourth Proportional to 31,889.10, 44,003.88 and 18,457.68

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Solution

The fourth proportional to 31,889.10, 44,003.88 and 18,457.68 is: 25,469.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,889.10 : 44,003.88 = 18,457.68 : x
  2. Step 2: Convert to fraction form
    31,889.10/44,003.88 = 18,457.68/x
  3. Step 3: Cross multiply
    31,889.10x = 44,003.88 × 18,457.68
  4. Step 4: Simplify right side
    31,889.10x = 812,209,535.80
  5. Step 5: Solve for x
    x = 812,209,535.80/31,889.10
  6. Step 6: Final answer
    x = 25,469.82

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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.