Home / 31,216.83-43,078.95-17,069.78

Finding the Fourth Proportional to 31,216.83, 43,078.95 and 17,069.78

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Solution

The fourth proportional to 31,216.83, 43,078.95 and 17,069.78 is: 23,556.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,216.83 : 43,078.95 = 17,069.78 : x
  2. Step 2: Convert to fraction form
    31,216.83/43,078.95 = 17,069.78/x
  3. Step 3: Cross multiply
    31,216.83x = 43,078.95 × 17,069.78
  4. Step 4: Simplify right side
    31,216.83x = 735,347,983.74
  5. Step 5: Solve for x
    x = 735,347,983.74/31,216.83
  6. Step 6: Final answer
    x = 23,556.14

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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.