Home / 31,010.10-42,794.46-16,863.36

Finding the Fourth Proportional to 31,010.10, 42,794.46 and 16,863.36

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Solution

The fourth proportional to 31,010.10, 42,794.46 and 16,863.36 is: 23,271.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,010.10 : 42,794.46 = 16,863.36 : x
  2. Step 2: Convert to fraction form
    31,010.10/42,794.46 = 16,863.36/x
  3. Step 3: Cross multiply
    31,010.10x = 42,794.46 × 16,863.36
  4. Step 4: Simplify right side
    31,010.10x = 721,658,384.99
  5. Step 5: Solve for x
    x = 721,658,384.99/31,010.10
  6. Step 6: Final answer
    x = 23,271.72

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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.