Home / 38,811.88-53,560.57-22,680.12

Finding the Fourth Proportional to 38,811.88, 53,560.57 and 22,680.12

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Solution

The fourth proportional to 38,811.88, 53,560.57 and 22,680.12 is: 31,298.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,811.88 : 53,560.57 = 22,680.12 : x
  2. Step 2: Convert to fraction form
    38,811.88/53,560.57 = 22,680.12/x
  3. Step 3: Cross multiply
    38,811.88x = 53,560.57 × 22,680.12
  4. Step 4: Simplify right side
    38,811.88x = 1,214,760,154.87
  5. Step 5: Solve for x
    x = 1,214,760,154.87/38,811.88
  6. Step 6: Final answer
    x = 31,298.67

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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.