Home / 31,010.04-42,793.74-16,863.48

Finding the Fourth Proportional to 31,010.04, 42,793.74 and 16,863.48

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Solution

The fourth proportional to 31,010.04, 42,793.74 and 16,863.48 is: 23,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,010.04 : 42,793.74 = 16,863.48 : x
  2. Step 2: Convert to fraction form
    31,010.04/42,793.74 = 16,863.48/x
  3. Step 3: Cross multiply
    31,010.04x = 42,793.74 × 16,863.48
  4. Step 4: Simplify right side
    31,010.04x = 721,651,378.62
  5. Step 5: Solve for x
    x = 721,651,378.62/31,010.04
  6. Step 6: Final answer
    x = 23,271.54

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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.