Home / 32,161.60-48,235.20-21,145.60

Finding the Fourth Proportional to 32,161.60, 48,235.20 and 21,145.60

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Solution

The fourth proportional to 32,161.60, 48,235.20 and 21,145.60 is: 31,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,161.60 : 48,235.20 = 21,145.60 : x
  2. Step 2: Convert to fraction form
    32,161.60/48,235.20 = 21,145.60/x
  3. Step 3: Cross multiply
    32,161.60x = 48,235.20 × 21,145.60
  4. Step 4: Simplify right side
    32,161.60x = 1,019,962,245.12
  5. Step 5: Solve for x
    x = 1,019,962,245.12/32,161.60
  6. Step 6: Final answer
    x = 31,713.67

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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.