Home / 31,305.05-46,957.57-18,967.13

Finding the Fourth Proportional to 31,305.05, 46,957.57 and 18,967.13

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Solution

The fourth proportional to 31,305.05, 46,957.57 and 18,967.13 is: 28,450.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,305.05 : 46,957.57 = 18,967.13 : x
  2. Step 2: Convert to fraction form
    31,305.05/46,957.57 = 18,967.13/x
  3. Step 3: Cross multiply
    31,305.05x = 46,957.57 × 18,967.13
  4. Step 4: Simplify right side
    31,305.05x = 890,650,334.67
  5. Step 5: Solve for x
    x = 890,650,334.67/31,305.05
  6. Step 6: Final answer
    x = 28,450.69

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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.