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Finding the Fourth Proportional to 47,660.16, 71,424.48 and 35,960.40

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Solution

The fourth proportional to 47,660.16, 71,424.48 and 35,960.40 is: 53,890.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,660.16 : 71,424.48 = 35,960.40 : x
  2. Step 2: Convert to fraction form
    47,660.16/71,424.48 = 35,960.40/x
  3. Step 3: Cross multiply
    47,660.16x = 71,424.48 × 35,960.40
  4. Step 4: Simplify right side
    47,660.16x = 2,568,452,870.59
  5. Step 5: Solve for x
    x = 2,568,452,870.59/47,660.16
  6. Step 6: Final answer
    x = 53,890.98

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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.