Home / 30,854.85-46,245.18-14,191.92

Finding the Fourth Proportional to 30,854.85, 46,245.18 and 14,191.92

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Solution

The fourth proportional to 30,854.85, 46,245.18 and 14,191.92 is: 21,270.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,854.85 : 46,245.18 = 14,191.92 : x
  2. Step 2: Convert to fraction form
    30,854.85/46,245.18 = 14,191.92/x
  3. Step 3: Cross multiply
    30,854.85x = 46,245.18 × 14,191.92
  4. Step 4: Simplify right side
    30,854.85x = 656,307,894.95
  5. Step 5: Solve for x
    x = 656,307,894.95/30,854.85
  6. Step 6: Final answer
    x = 21,270.82

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1.5x scale

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.