Home / 31,492.50-43,455.87-18,063.06

Finding the Fourth Proportional to 31,492.50, 43,455.87 and 18,063.06

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Solution

The fourth proportional to 31,492.50, 43,455.87 and 18,063.06 is: 24,924.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,492.50 : 43,455.87 = 18,063.06 : x
  2. Step 2: Convert to fraction form
    31,492.50/43,455.87 = 18,063.06/x
  3. Step 3: Cross multiply
    31,492.50x = 43,455.87 × 18,063.06
  4. Step 4: Simplify right side
    31,492.50x = 784,945,987.16
  5. Step 5: Solve for x
    x = 784,945,987.16/31,492.50
  6. Step 6: Final answer
    x = 24,924.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.