Home / 47,720.40-65,856.34-26,499.75

Finding the Fourth Proportional to 47,720.40, 65,856.34 and 26,499.75

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Solution

The fourth proportional to 47,720.40, 65,856.34 and 26,499.75 is: 36,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,720.40 : 65,856.34 = 26,499.75 : x
  2. Step 2: Convert to fraction form
    47,720.40/65,856.34 = 26,499.75/x
  3. Step 3: Cross multiply
    47,720.40x = 65,856.34 × 26,499.75
  4. Step 4: Simplify right side
    47,720.40x = 1,745,176,545.92
  5. Step 5: Solve for x
    x = 1,745,176,545.92/47,720.40
  6. Step 6: Final answer
    x = 36,570.87

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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.