Home / 47,247.24-65,140.38-38,718.12

Finding the Fourth Proportional to 47,247.24, 65,140.38 and 38,718.12

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Solution

The fourth proportional to 47,247.24, 65,140.38 and 38,718.12 is: 53,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,247.24 : 65,140.38 = 38,718.12 : x
  2. Step 2: Convert to fraction form
    47,247.24/65,140.38 = 38,718.12/x
  3. Step 3: Cross multiply
    47,247.24x = 65,140.38 × 38,718.12
  4. Step 4: Simplify right side
    47,247.24x = 2,522,113,049.69
  5. Step 5: Solve for x
    x = 2,522,113,049.69/47,247.24
  6. Step 6: Final answer
    x = 53,381.17

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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.