Home / 31,872.14-43,981.74-17,724.68

Finding the Fourth Proportional to 31,872.14, 43,981.74 and 17,724.68

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Solution

The fourth proportional to 31,872.14, 43,981.74 and 17,724.68 is: 24,459.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,872.14 : 43,981.74 = 17,724.68 : x
  2. Step 2: Convert to fraction form
    31,872.14/43,981.74 = 17,724.68/x
  3. Step 3: Cross multiply
    31,872.14x = 43,981.74 × 17,724.68
  4. Step 4: Simplify right side
    31,872.14x = 779,562,047.43
  5. Step 5: Solve for x
    x = 779,562,047.43/31,872.14
  6. Step 6: Final answer
    x = 24,459.05

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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.