Home / 23,055.44-31,818.12-13,119.44

Finding the Fourth Proportional to 23,055.44, 31,818.12 and 13,119.44

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Solution

The fourth proportional to 23,055.44, 31,818.12 and 13,119.44 is: 18,105.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,055.44 : 31,818.12 = 13,119.44 : x
  2. Step 2: Convert to fraction form
    23,055.44/31,818.12 = 13,119.44/x
  3. Step 3: Cross multiply
    23,055.44x = 31,818.12 × 13,119.44
  4. Step 4: Simplify right side
    23,055.44x = 417,435,916.25
  5. Step 5: Solve for x
    x = 417,435,916.25/23,055.44
  6. Step 6: Final answer
    x = 18,105.74

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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.