Home / 47,012.16-70,500.48-18,922.65

Finding the Fourth Proportional to 47,012.16, 70,500.48 and 18,922.65

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Solution

The fourth proportional to 47,012.16, 70,500.48 and 18,922.65 is: 28,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,012.16 : 70,500.48 = 18,922.65 : x
  2. Step 2: Convert to fraction form
    47,012.16/70,500.48 = 18,922.65/x
  3. Step 3: Cross multiply
    47,012.16x = 70,500.48 × 18,922.65
  4. Step 4: Simplify right side
    47,012.16x = 1,334,055,907.87
  5. Step 5: Solve for x
    x = 1,334,055,907.87/47,012.16
  6. Step 6: Final answer
    x = 28,376.83

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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.