Home / 31,882.03-43,994.47-18,454.12

Finding the Fourth Proportional to 31,882.03, 43,994.47 and 18,454.12

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Solution

The fourth proportional to 31,882.03, 43,994.47 and 18,454.12 is: 25,465.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,882.03 : 43,994.47 = 18,454.12 : x
  2. Step 2: Convert to fraction form
    31,882.03/43,994.47 = 18,454.12/x
  3. Step 3: Cross multiply
    31,882.03x = 43,994.47 × 18,454.12
  4. Step 4: Simplify right side
    31,882.03x = 811,879,228.72
  5. Step 5: Solve for x
    x = 811,879,228.72/31,882.03
  6. Step 6: Final answer
    x = 25,465.10

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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.