Home / 53,378.13-80,422.96-48,318.42

Finding the Fourth Proportional to 53,378.13, 80,422.96 and 48,318.42

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Solution

The fourth proportional to 53,378.13, 80,422.96 and 48,318.42 is: 72,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,378.13 : 80,422.96 = 48,318.42 : x
  2. Step 2: Convert to fraction form
    53,378.13/80,422.96 = 48,318.42/x
  3. Step 3: Cross multiply
    53,378.13x = 80,422.96 × 48,318.42
  4. Step 4: Simplify right side
    53,378.13x = 3,885,910,358.92
  5. Step 5: Solve for x
    x = 3,885,910,358.92/53,378.13
  6. Step 6: Final answer
    x = 72,799.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.