Home / 31,903.36-44,028.08-18,475.20

Finding the Fourth Proportional to 31,903.36, 44,028.08 and 18,475.20

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Solution

The fourth proportional to 31,903.36, 44,028.08 and 18,475.20 is: 25,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,903.36 : 44,028.08 = 18,475.20 : x
  2. Step 2: Convert to fraction form
    31,903.36/44,028.08 = 18,475.20/x
  3. Step 3: Cross multiply
    31,903.36x = 44,028.08 × 18,475.20
  4. Step 4: Simplify right side
    31,903.36x = 813,427,583.62
  5. Step 5: Solve for x
    x = 813,427,583.62/31,903.36
  6. Step 6: Final answer
    x = 25,496.61

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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.