Home / 65,211.22-89,994.85-36,529.20

Finding the Fourth Proportional to 65,211.22, 89,994.85 and 36,529.20

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Solution

The fourth proportional to 65,211.22, 89,994.85 and 36,529.20 is: 50,412.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,211.22 : 89,994.85 = 36,529.20 : x
  2. Step 2: Convert to fraction form
    65,211.22/89,994.85 = 36,529.20/x
  3. Step 3: Cross multiply
    65,211.22x = 89,994.85 × 36,529.20
  4. Step 4: Simplify right side
    65,211.22x = 3,287,439,874.62
  5. Step 5: Solve for x
    x = 3,287,439,874.62/65,211.22
  6. Step 6: Final answer
    x = 50,412.18

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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.