Home / 31,900.36-44,023.94-18,472.20

Finding the Fourth Proportional to 31,900.36, 44,023.94 and 18,472.20

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Solution

The fourth proportional to 31,900.36, 44,023.94 and 18,472.20 is: 25,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,900.36 : 44,023.94 = 18,472.20 : x
  2. Step 2: Convert to fraction form
    31,900.36/44,023.94 = 18,472.20/x
  3. Step 3: Cross multiply
    31,900.36x = 44,023.94 × 18,472.20
  4. Step 4: Simplify right side
    31,900.36x = 813,219,024.47
  5. Step 5: Solve for x
    x = 813,219,024.47/31,900.36
  6. Step 6: Final answer
    x = 25,492.47

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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.