Home / 74,247.22-111,374.61-21,660.67

Finding the Fourth Proportional to 74,247.22, 111,374.61 and 21,660.67

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Solution

The fourth proportional to 74,247.22, 111,374.61 and 21,660.67 is: 32,492.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,247.22 : 111,374.61 = 21,660.67 : x
  2. Step 2: Convert to fraction form
    74,247.22/111,374.61 = 21,660.67/x
  3. Step 3: Cross multiply
    74,247.22x = 111,374.61 × 21,660.67
  4. Step 4: Simplify right side
    74,247.22x = 2,412,448,673.59
  5. Step 5: Solve for x
    x = 2,412,448,673.59/74,247.22
  6. Step 6: Final answer
    x = 32,492.11

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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.