Home / 31,033.11-42,825.69-16,885.92

Finding the Fourth Proportional to 31,033.11, 42,825.69 and 16,885.92

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Solution

The fourth proportional to 31,033.11, 42,825.69 and 16,885.92 is: 23,302.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,033.11 : 42,825.69 = 16,885.92 : x
  2. Step 2: Convert to fraction form
    31,033.11/42,825.69 = 16,885.92/x
  3. Step 3: Cross multiply
    31,033.11x = 42,825.69 × 16,885.92
  4. Step 4: Simplify right side
    31,033.11x = 723,151,175.28
  5. Step 5: Solve for x
    x = 723,151,175.28/31,033.11
  6. Step 6: Final answer
    x = 23,302.57

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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.