Home / 47,074.77-70,610.13-12,013.65

Finding the Fourth Proportional to 47,074.77, 70,610.13 and 12,013.65

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Solution

The fourth proportional to 47,074.77, 70,610.13 and 12,013.65 is: 18,019.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,074.77 : 70,610.13 = 12,013.65 : x
  2. Step 2: Convert to fraction form
    47,074.77/70,610.13 = 12,013.65/x
  3. Step 3: Cross multiply
    47,074.77x = 70,610.13 × 12,013.65
  4. Step 4: Simplify right side
    47,074.77x = 848,285,388.27
  5. Step 5: Solve for x
    x = 848,285,388.27/47,074.77
  6. Step 6: Final answer
    x = 18,019.96

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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.