Home / 65,219.58-89,981.82-36,919.80

Finding the Fourth Proportional to 65,219.58, 89,981.82 and 36,919.80

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Solution

The fourth proportional to 65,219.58, 89,981.82 and 36,919.80 is: 50,937.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,219.58 : 89,981.82 = 36,919.80 : x
  2. Step 2: Convert to fraction form
    65,219.58/89,981.82 = 36,919.80/x
  3. Step 3: Cross multiply
    65,219.58x = 89,981.82 × 36,919.80
  4. Step 4: Simplify right side
    65,219.58x = 3,322,110,798.04
  5. Step 5: Solve for x
    x = 3,322,110,798.04/65,219.58
  6. Step 6: Final answer
    x = 50,937.32

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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.