Home / 31,419.03-43,358.27-17,994.74

Finding the Fourth Proportional to 31,419.03, 43,358.27 and 17,994.74

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Solution

The fourth proportional to 31,419.03, 43,358.27 and 17,994.74 is: 24,832.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,419.03 : 43,358.27 = 17,994.74 : x
  2. Step 2: Convert to fraction form
    31,419.03/43,358.27 = 17,994.74/x
  3. Step 3: Cross multiply
    31,419.03x = 43,358.27 × 17,994.74
  4. Step 4: Simplify right side
    31,419.03x = 780,220,795.50
  5. Step 5: Solve for x
    x = 780,220,795.50/31,419.03
  6. Step 6: Final answer
    x = 24,832.75

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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.