Home / 47,157.40-70,736.13-12,097.07

Finding the Fourth Proportional to 47,157.40, 70,736.13 and 12,097.07

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Solution

The fourth proportional to 47,157.40, 70,736.13 and 12,097.07 is: 18,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,157.40 : 70,736.13 = 12,097.07 : x
  2. Step 2: Convert to fraction form
    47,157.40/70,736.13 = 12,097.07/x
  3. Step 3: Cross multiply
    47,157.40x = 70,736.13 × 12,097.07
  4. Step 4: Simplify right side
    47,157.40x = 855,699,855.65
  5. Step 5: Solve for x
    x = 855,699,855.65/47,157.40
  6. Step 6: Final answer
    x = 18,145.61

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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.