Home / 53,002.22-73,144.42-29,129.50

Finding the Fourth Proportional to 53,002.22, 73,144.42 and 29,129.50

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Solution

The fourth proportional to 53,002.22, 73,144.42 and 29,129.50 is: 40,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,002.22 : 73,144.42 = 29,129.50 : x
  2. Step 2: Convert to fraction form
    53,002.22/73,144.42 = 29,129.50/x
  3. Step 3: Cross multiply
    53,002.22x = 73,144.42 × 29,129.50
  4. Step 4: Simplify right side
    53,002.22x = 2,130,660,382.39
  5. Step 5: Solve for x
    x = 2,130,660,382.39/53,002.22
  6. Step 6: Final answer
    x = 40,199.46

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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.