Home / 47,429.20-71,143.80-47,083.60

Finding the Fourth Proportional to 47,429.20, 71,143.80 and 47,083.60

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Solution

The fourth proportional to 47,429.20, 71,143.80 and 47,083.60 is: 70,625.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,429.20 : 71,143.80 = 47,083.60 : x
  2. Step 2: Convert to fraction form
    47,429.20/71,143.80 = 47,083.60/x
  3. Step 3: Cross multiply
    47,429.20x = 71,143.80 × 47,083.60
  4. Step 4: Simplify right side
    47,429.20x = 3,349,706,221.68
  5. Step 5: Solve for x
    x = 3,349,706,221.68/47,429.20
  6. Step 6: Final answer
    x = 70,625.40

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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.