Home / 31,107.39-42,926.95-16,959.93

Finding the Fourth Proportional to 31,107.39, 42,926.95 and 16,959.93

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Solution

The fourth proportional to 31,107.39, 42,926.95 and 16,959.93 is: 23,404.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,107.39 : 42,926.95 = 16,959.93 : x
  2. Step 2: Convert to fraction form
    31,107.39/42,926.95 = 16,959.93/x
  3. Step 3: Cross multiply
    31,107.39x = 42,926.95 × 16,959.93
  4. Step 4: Simplify right side
    31,107.39x = 728,038,067.11
  5. Step 5: Solve for x
    x = 728,038,067.11/31,107.39
  6. Step 6: Final answer
    x = 23,404.02

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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.