Home / 30,958.61-42,723.45-17,529.82

Finding the Fourth Proportional to 30,958.61, 42,723.45 and 17,529.82

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Solution

The fourth proportional to 30,958.61, 42,723.45 and 17,529.82 is: 24,191.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,958.61 : 42,723.45 = 17,529.82 : x
  2. Step 2: Convert to fraction form
    30,958.61/42,723.45 = 17,529.82/x
  3. Step 3: Cross multiply
    30,958.61x = 42,723.45 × 17,529.82
  4. Step 4: Simplify right side
    30,958.61x = 748,934,281.47
  5. Step 5: Solve for x
    x = 748,934,281.47/30,958.61
  6. Step 6: Final answer
    x = 24,191.47

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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.