Home / 31,066.56-42,871.44-16,919.44

Finding the Fourth Proportional to 31,066.56, 42,871.44 and 16,919.44

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Solution

The fourth proportional to 31,066.56, 42,871.44 and 16,919.44 is: 23,348.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,066.56 : 42,871.44 = 16,919.44 : x
  2. Step 2: Convert to fraction form
    31,066.56/42,871.44 = 16,919.44/x
  3. Step 3: Cross multiply
    31,066.56x = 42,871.44 × 16,919.44
  4. Step 4: Simplify right side
    31,066.56x = 725,360,756.79
  5. Step 5: Solve for x
    x = 725,360,756.79/31,066.56
  6. Step 6: Final answer
    x = 23,348.60

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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.