Home / 31,424.85-43,365.42-17,994.95

Finding the Fourth Proportional to 31,424.85, 43,365.42 and 17,994.95

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Solution

The fourth proportional to 31,424.85, 43,365.42 and 17,994.95 is: 24,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,424.85 : 43,365.42 = 17,994.95 : x
  2. Step 2: Convert to fraction form
    31,424.85/43,365.42 = 17,994.95/x
  3. Step 3: Cross multiply
    31,424.85x = 43,365.42 × 17,994.95
  4. Step 4: Simplify right side
    31,424.85x = 780,358,347.80
  5. Step 5: Solve for x
    x = 780,358,347.80/31,424.85
  6. Step 6: Final answer
    x = 24,832.52

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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.