Home / 31,947.60-47,921.52-11,166.24

Finding the Fourth Proportional to 31,947.60, 47,921.52 and 11,166.24

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Solution

The fourth proportional to 31,947.60, 47,921.52 and 11,166.24 is: 16,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,947.60 : 47,921.52 = 11,166.24 : x
  2. Step 2: Convert to fraction form
    31,947.60/47,921.52 = 11,166.24/x
  3. Step 3: Cross multiply
    31,947.60x = 47,921.52 × 11,166.24
  4. Step 4: Simplify right side
    31,947.60x = 535,103,193.48
  5. Step 5: Solve for x
    x = 535,103,193.48/31,947.60
  6. Step 6: Final answer
    x = 16,749.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.