Home / 65,013.45-89,710.60-36,334.65

Finding the Fourth Proportional to 65,013.45, 89,710.60 and 36,334.65

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Solution

The fourth proportional to 65,013.45, 89,710.60 and 36,334.65 is: 50,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,013.45 : 89,710.60 = 36,334.65 : x
  2. Step 2: Convert to fraction form
    65,013.45/89,710.60 = 36,334.65/x
  3. Step 3: Cross multiply
    65,013.45x = 89,710.60 × 36,334.65
  4. Step 4: Simplify right side
    65,013.45x = 3,259,603,252.29
  5. Step 5: Solve for x
    x = 3,259,603,252.29/65,013.45
  6. Step 6: Final answer
    x = 50,137.37

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1.5x scale

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.