Home / 47,251.24-65,145.88-38,722.12

Finding the Fourth Proportional to 47,251.24, 65,145.88 and 38,722.12

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Solution

The fourth proportional to 47,251.24, 65,145.88 and 38,722.12 is: 53,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,251.24 : 65,145.88 = 38,722.12 : x
  2. Step 2: Convert to fraction form
    47,251.24/65,145.88 = 38,722.12/x
  3. Step 3: Cross multiply
    47,251.24x = 65,145.88 × 38,722.12
  4. Step 4: Simplify right side
    47,251.24x = 2,522,586,582.87
  5. Step 5: Solve for x
    x = 2,522,586,582.87/47,251.24
  6. Step 6: Final answer
    x = 53,386.67

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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.