Home / 47,942.92-66,280.80-35,985.48

Finding the Fourth Proportional to 47,942.92, 66,280.80 and 35,985.48

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Solution

The fourth proportional to 47,942.92, 66,280.80 and 35,985.48 is: 49,749.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,942.92 : 66,280.80 = 35,985.48 : x
  2. Step 2: Convert to fraction form
    47,942.92/66,280.80 = 35,985.48/x
  3. Step 3: Cross multiply
    47,942.92x = 66,280.80 × 35,985.48
  4. Step 4: Simplify right side
    47,942.92x = 2,385,146,402.78
  5. Step 5: Solve for x
    x = 2,385,146,402.78/47,942.92
  6. Step 6: Final answer
    x = 49,749.71

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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.