Home / 31,224.78-46,780.46-18,049.32

Finding the Fourth Proportional to 31,224.78, 46,780.46 and 18,049.32

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Solution

The fourth proportional to 31,224.78, 46,780.46 and 18,049.32 is: 27,041.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,224.78 : 46,780.46 = 18,049.32 : x
  2. Step 2: Convert to fraction form
    31,224.78/46,780.46 = 18,049.32/x
  3. Step 3: Cross multiply
    31,224.78x = 46,780.46 × 18,049.32
  4. Step 4: Simplify right side
    31,224.78x = 844,355,492.29
  5. Step 5: Solve for x
    x = 844,355,492.29/31,224.78
  6. Step 6: Final answer
    x = 27,041.20

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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.