Home / 39,631.22-54,643.26-34,243.92

Finding the Fourth Proportional to 39,631.22, 54,643.26 and 34,243.92

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Solution

The fourth proportional to 39,631.22, 54,643.26 and 34,243.92 is: 47,215.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,631.22 : 54,643.26 = 34,243.92 : x
  2. Step 2: Convert to fraction form
    39,631.22/54,643.26 = 34,243.92/x
  3. Step 3: Cross multiply
    39,631.22x = 54,643.26 × 34,243.92
  4. Step 4: Simplify right side
    39,631.22x = 1,871,199,423.98
  5. Step 5: Solve for x
    x = 1,871,199,423.98/39,631.22
  6. Step 6: Final answer
    x = 47,215.29

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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.