Home / 30,723.22-42,402.08-17,297.10

Finding the Fourth Proportional to 30,723.22, 42,402.08 and 17,297.10

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Solution

The fourth proportional to 30,723.22, 42,402.08 and 17,297.10 is: 23,872.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,723.22 : 42,402.08 = 17,297.10 : x
  2. Step 2: Convert to fraction form
    30,723.22/42,402.08 = 17,297.10/x
  3. Step 3: Cross multiply
    30,723.22x = 42,402.08 × 17,297.10
  4. Step 4: Simplify right side
    30,723.22x = 733,433,061.21
  5. Step 5: Solve for x
    x = 733,433,061.21/30,723.22
  6. Step 6: Final answer
    x = 23,872.27

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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.