Home / 53,003.71-73,144.27-29,129.87

Finding the Fourth Proportional to 53,003.71, 73,144.27 and 29,129.87

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Solution

The fourth proportional to 53,003.71, 73,144.27 and 29,129.87 is: 40,198.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,003.71 : 73,144.27 = 29,129.87 : x
  2. Step 2: Convert to fraction form
    53,003.71/73,144.27 = 29,129.87/x
  3. Step 3: Cross multiply
    53,003.71x = 73,144.27 × 29,129.87
  4. Step 4: Simplify right side
    53,003.71x = 2,130,683,264.67
  5. Step 5: Solve for x
    x = 2,130,683,264.67/53,003.71
  6. Step 6: Final answer
    x = 40,198.76

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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.