Home / 31,901.36-44,025.32-18,473.20

Finding the Fourth Proportional to 31,901.36, 44,025.32 and 18,473.20

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Solution

The fourth proportional to 31,901.36, 44,025.32 and 18,473.20 is: 25,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,901.36 : 44,025.32 = 18,473.20 : x
  2. Step 2: Convert to fraction form
    31,901.36/44,025.32 = 18,473.20/x
  3. Step 3: Cross multiply
    31,901.36x = 44,025.32 × 18,473.20
  4. Step 4: Simplify right side
    31,901.36x = 813,288,541.42
  5. Step 5: Solve for x
    x = 813,288,541.42/31,901.36
  6. Step 6: Final answer
    x = 25,493.85

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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.