Home / 30,655.68-42,306.08-17,226.89

Finding the Fourth Proportional to 30,655.68, 42,306.08 and 17,226.89

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Solution

The fourth proportional to 30,655.68, 42,306.08 and 17,226.89 is: 23,773.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,655.68 : 42,306.08 = 17,226.89 : x
  2. Step 2: Convert to fraction form
    30,655.68/42,306.08 = 17,226.89/x
  3. Step 3: Cross multiply
    30,655.68x = 42,306.08 × 17,226.89
  4. Step 4: Simplify right side
    30,655.68x = 728,802,186.49
  5. Step 5: Solve for x
    x = 728,802,186.49/30,655.68
  6. Step 6: Final answer
    x = 23,773.81

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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.