Home / 31,106.22-42,926.60-16,959.08

Finding the Fourth Proportional to 31,106.22, 42,926.60 and 16,959.08

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Solution

The fourth proportional to 31,106.22, 42,926.60 and 16,959.08 is: 23,403.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,106.22 : 42,926.60 = 16,959.08 : x
  2. Step 2: Convert to fraction form
    31,106.22/42,926.60 = 16,959.08/x
  3. Step 3: Cross multiply
    31,106.22x = 42,926.60 × 16,959.08
  4. Step 4: Simplify right side
    31,106.22x = 727,995,344.10
  5. Step 5: Solve for x
    x = 727,995,344.10/31,106.22
  6. Step 6: Final answer
    x = 23,403.53

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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.