Home / 64,433.27-88,918.95-36,138.35

Finding the Fourth Proportional to 64,433.27, 88,918.95 and 36,138.35

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Solution

The fourth proportional to 64,433.27, 88,918.95 and 36,138.35 is: 49,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,433.27 : 88,918.95 = 36,138.35 : x
  2. Step 2: Convert to fraction form
    64,433.27/88,918.95 = 36,138.35/x
  3. Step 3: Cross multiply
    64,433.27x = 88,918.95 × 36,138.35
  4. Step 4: Simplify right side
    64,433.27x = 3,213,384,136.73
  5. Step 5: Solve for x
    x = 3,213,384,136.73/64,433.27
  6. Step 6: Final answer
    x = 49,871.50

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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.