Home / 65,545.35-90,441.41-36,857.58

Finding the Fourth Proportional to 65,545.35, 90,441.41 and 36,857.58

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Solution

The fourth proportional to 65,545.35, 90,441.41 and 36,857.58 is: 50,857.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,545.35 : 90,441.41 = 36,857.58 : x
  2. Step 2: Convert to fraction form
    65,545.35/90,441.41 = 36,857.58/x
  3. Step 3: Cross multiply
    65,545.35x = 90,441.41 × 36,857.58
  4. Step 4: Simplify right side
    65,545.35x = 3,333,451,320.10
  5. Step 5: Solve for x
    x = 3,333,451,320.10/65,545.35
  6. Step 6: Final answer
    x = 50,857.17

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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.