Home / 47,718.60-71,559.66-15,690.21

Finding the Fourth Proportional to 47,718.60, 71,559.66 and 15,690.21

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Solution

The fourth proportional to 47,718.60, 71,559.66 and 15,690.21 is: 23,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,718.60 : 71,559.66 = 15,690.21 : x
  2. Step 2: Convert to fraction form
    47,718.60/71,559.66 = 15,690.21/x
  3. Step 3: Cross multiply
    47,718.60x = 71,559.66 × 15,690.21
  4. Step 4: Simplify right side
    47,718.60x = 1,122,786,092.93
  5. Step 5: Solve for x
    x = 1,122,786,092.93/47,718.60
  6. Step 6: Final answer
    x = 23,529.32

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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.