Home / 36,236,440.92-54,286,079.55-21,420,178.42

Finding the Fourth Proportional to 36,236,440.92, 54,286,079.55 and 21,420,178.42

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Solution

The fourth proportional to 36,236,440.92, 54,286,079.55 and 21,420,178.42 is: 32,089,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,236,440.92 : 54,286,079.55 = 21,420,178.42 : x
  2. Step 2: Convert to fraction form
    36,236,440.92/54,286,079.55 = 21,420,178.42/x
  3. Step 3: Cross multiply
    36,236,440.92x = 54,286,079.55 × 21,420,178.42
  4. Step 4: Simplify right side
    36,236,440.92x = 1,162,817,509,683,313.25
  5. Step 5: Solve for x
    x = 1,162,817,509,683,313.25/36,236,440.92
  6. Step 6: Final answer
    x = 32,089,727.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.