Home / 31,258.84-43,137.12-17,111.56

Finding the Fourth Proportional to 31,258.84, 43,137.12 and 17,111.56

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Solution

The fourth proportional to 31,258.84, 43,137.12 and 17,111.56 is: 23,613.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,258.84 : 43,137.12 = 17,111.56 : x
  2. Step 2: Convert to fraction form
    31,258.84/43,137.12 = 17,111.56/x
  3. Step 3: Cross multiply
    31,258.84x = 43,137.12 × 17,111.56
  4. Step 4: Simplify right side
    31,258.84x = 738,143,417.11
  5. Step 5: Solve for x
    x = 738,143,417.11/31,258.84
  6. Step 6: Final answer
    x = 23,613.91

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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.