Home / 53,045.99-73,202-29,172.66

Finding the Fourth Proportional to 53,045.99, 73,202 and 29,172.66

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Solution

The fourth proportional to 53,045.99, 73,202 and 29,172.66 is: 40,257.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,045.99 : 73,202 = 29,172.66 : x
  2. Step 2: Convert to fraction form
    53,045.99/73,202 = 29,172.66/x
  3. Step 3: Cross multiply
    53,045.99x = 73,202 × 29,172.66
  4. Step 4: Simplify right side
    53,045.99x = 2,135,497,057.32
  5. Step 5: Solve for x
    x = 2,135,497,057.32/53,045.99
  6. Step 6: Final answer
    x = 40,257.47

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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.