Home / 53,053.72-73,211.41-29,175.81

Finding the Fourth Proportional to 53,053.72, 73,211.41 and 29,175.81

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Solution

The fourth proportional to 53,053.72, 73,211.41 and 29,175.81 is: 40,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,053.72 : 73,211.41 = 29,175.81 : x
  2. Step 2: Convert to fraction form
    53,053.72/73,211.41 = 29,175.81/x
  3. Step 3: Cross multiply
    53,053.72x = 73,211.41 × 29,175.81
  4. Step 4: Simplify right side
    53,053.72x = 2,136,002,187.99
  5. Step 5: Solve for x
    x = 2,136,002,187.99/53,053.72
  6. Step 6: Final answer
    x = 40,261.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.