Home / 30,909.60-46,366.18-11,934.34

Finding the Fourth Proportional to 30,909.60, 46,366.18 and 11,934.34

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Solution

The fourth proportional to 30,909.60, 46,366.18 and 11,934.34 is: 17,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,909.60 : 46,366.18 = 11,934.34 : x
  2. Step 2: Convert to fraction form
    30,909.60/46,366.18 = 11,934.34/x
  3. Step 3: Cross multiply
    30,909.60x = 46,366.18 × 11,934.34
  4. Step 4: Simplify right side
    30,909.60x = 553,349,610.87
  5. Step 5: Solve for x
    x = 553,349,610.87/30,909.60
  6. Step 6: Final answer
    x = 17,902.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.