Home / 30,867.01-42,596.25-16,719.75

Finding the Fourth Proportional to 30,867.01, 42,596.25 and 16,719.75

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Solution

The fourth proportional to 30,867.01, 42,596.25 and 16,719.75 is: 23,073.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,867.01 : 42,596.25 = 16,719.75 : x
  2. Step 2: Convert to fraction form
    30,867.01/42,596.25 = 16,719.75/x
  3. Step 3: Cross multiply
    30,867.01x = 42,596.25 × 16,719.75
  4. Step 4: Simplify right side
    30,867.01x = 712,198,588.24
  5. Step 5: Solve for x
    x = 712,198,588.24/30,867.01
  6. Step 6: Final answer
    x = 23,073.13

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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.