Home / 31,333.86-46,989.84-12,609.04

Finding the Fourth Proportional to 31,333.86, 46,989.84 and 12,609.04

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Solution

The fourth proportional to 31,333.86, 46,989.84 and 12,609.04 is: 18,909.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,333.86 : 46,989.84 = 12,609.04 : x
  2. Step 2: Convert to fraction form
    31,333.86/46,989.84 = 12,609.04/x
  3. Step 3: Cross multiply
    31,333.86x = 46,989.84 × 12,609.04
  4. Step 4: Simplify right side
    31,333.86x = 592,496,654.68
  5. Step 5: Solve for x
    x = 592,496,654.68/31,333.86
  6. Step 6: Final answer
    x = 18,909.15

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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.