Home / 30,306.40-41,828.84-17,561.68

Finding the Fourth Proportional to 30,306.40, 41,828.84 and 17,561.68

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Solution

The fourth proportional to 30,306.40, 41,828.84 and 17,561.68 is: 24,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,306.40 : 41,828.84 = 17,561.68 : x
  2. Step 2: Convert to fraction form
    30,306.40/41,828.84 = 17,561.68/x
  3. Step 3: Cross multiply
    30,306.40x = 41,828.84 × 17,561.68
  4. Step 4: Simplify right side
    30,306.40x = 734,584,702.85
  5. Step 5: Solve for x
    x = 734,584,702.85/30,306.40
  6. Step 6: Final answer
    x = 24,238.60

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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.