Home / 34,072.68-47,019.69-18,964.90

Finding the Fourth Proportional to 34,072.68, 47,019.69 and 18,964.90

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Solution

The fourth proportional to 34,072.68, 47,019.69 and 18,964.90 is: 26,171.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,072.68 : 47,019.69 = 18,964.90 : x
  2. Step 2: Convert to fraction form
    34,072.68/47,019.69 = 18,964.90/x
  3. Step 3: Cross multiply
    34,072.68x = 47,019.69 × 18,964.90
  4. Step 4: Simplify right side
    34,072.68x = 891,723,718.88
  5. Step 5: Solve for x
    x = 891,723,718.88/34,072.68
  6. Step 6: Final answer
    x = 26,171.22

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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.