Home / 47,781.06-71,646.81-21,463.32

Finding the Fourth Proportional to 47,781.06, 71,646.81 and 21,463.32

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Solution

The fourth proportional to 47,781.06, 71,646.81 and 21,463.32 is: 32,183.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,781.06 : 71,646.81 = 21,463.32 : x
  2. Step 2: Convert to fraction form
    47,781.06/71,646.81 = 21,463.32/x
  3. Step 3: Cross multiply
    47,781.06x = 71,646.81 × 21,463.32
  4. Step 4: Simplify right side
    47,781.06x = 1,537,778,410.01
  5. Step 5: Solve for x
    x = 1,537,778,410.01/47,781.06
  6. Step 6: Final answer
    x = 32,183.85

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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.