Home / 47,400.13-71,113.38-20,741.37

Finding the Fourth Proportional to 47,400.13, 71,113.38 and 20,741.37

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Solution

The fourth proportional to 47,400.13, 71,113.38 and 20,741.37 is: 31,117.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,400.13 : 71,113.38 = 20,741.37 : x
  2. Step 2: Convert to fraction form
    47,400.13/71,113.38 = 20,741.37/x
  3. Step 3: Cross multiply
    47,400.13x = 71,113.38 × 20,741.37
  4. Step 4: Simplify right side
    47,400.13x = 1,474,988,926.53
  5. Step 5: Solve for x
    x = 1,474,988,926.53/47,400.13
  6. Step 6: Final answer
    x = 31,117.82

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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.