Home / 47,378.40-65,336.76-36,606.12

Finding the Fourth Proportional to 47,378.40, 65,336.76 and 36,606.12

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Solution

The fourth proportional to 47,378.40, 65,336.76 and 36,606.12 is: 50,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,378.40 : 65,336.76 = 36,606.12 : x
  2. Step 2: Convert to fraction form
    47,378.40/65,336.76 = 36,606.12/x
  3. Step 3: Cross multiply
    47,378.40x = 65,336.76 × 36,606.12
  4. Step 4: Simplify right side
    47,378.40x = 2,391,725,276.97
  5. Step 5: Solve for x
    x = 2,391,725,276.97/47,378.40
  6. Step 6: Final answer
    x = 50,481.34

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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.