Home / 30,306.28-41,816.28-17,558.68

Finding the Fourth Proportional to 30,306.28, 41,816.28 and 17,558.68

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Solution

The fourth proportional to 30,306.28, 41,816.28 and 17,558.68 is: 24,227.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.28 : 41,816.28 = 17,558.68 : x
  2. Step 2: Convert to fraction form
    30,306.28/41,816.28 = 17,558.68/x
  3. Step 3: Cross multiply
    30,306.28x = 41,816.28 × 17,558.68
  4. Step 4: Simplify right side
    30,306.28x = 734,238,679.31
  5. Step 5: Solve for x
    x = 734,238,679.31/30,306.28
  6. Step 6: Final answer
    x = 24,227.28

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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.