Home / 47,395.13-71,051.04-19,338.81

Finding the Fourth Proportional to 47,395.13, 71,051.04 and 19,338.81

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Solution

The fourth proportional to 47,395.13, 71,051.04 and 19,338.81 is: 28,991.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,395.13 : 71,051.04 = 19,338.81 : x
  2. Step 2: Convert to fraction form
    47,395.13/71,051.04 = 19,338.81/x
  3. Step 3: Cross multiply
    47,395.13x = 71,051.04 × 19,338.81
  4. Step 4: Simplify right side
    47,395.13x = 1,374,042,562.86
  5. Step 5: Solve for x
    x = 1,374,042,562.86/47,395.13
  6. Step 6: Final answer
    x = 28,991.22

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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.