Home / 31,008,449.07-42,791,659.79-17,260,660.89

Finding the Fourth Proportional to 31,008,449.07, 42,791,659.79 and 17,260,660.89

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Solution

The fourth proportional to 31,008,449.07, 42,791,659.79 and 17,260,660.89 is: 23,819,712.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,008,449.07 : 42,791,659.79 = 17,260,660.89 : x
  2. Step 2: Convert to fraction form
    31,008,449.07/42,791,659.79 = 17,260,660.89/x
  3. Step 3: Cross multiply
    31,008,449.07x = 42,791,659.79 × 17,260,660.89
  4. Step 4: Simplify right side
    31,008,449.07x = 738,612,328,469,135.25
  5. Step 5: Solve for x
    x = 738,612,328,469,135.25/31,008,449.07
  6. Step 6: Final answer
    x = 23,819,712.07

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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.