Home / 34,674.60-47,856.78-20,535.24

Finding the Fourth Proportional to 34,674.60, 47,856.78 and 20,535.24

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Solution

The fourth proportional to 34,674.60, 47,856.78 and 20,535.24 is: 28,342.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,674.60 : 47,856.78 = 20,535.24 : x
  2. Step 2: Convert to fraction form
    34,674.60/47,856.78 = 20,535.24/x
  3. Step 3: Cross multiply
    34,674.60x = 47,856.78 × 20,535.24
  4. Step 4: Simplify right side
    34,674.60x = 982,750,462.93
  5. Step 5: Solve for x
    x = 982,750,462.93/34,674.60
  6. Step 6: Final answer
    x = 28,342.09

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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.