Home / 31,542,129.20-47,313,193.80-28,350,858.80

Finding the Fourth Proportional to 31,542,129.20, 47,313,193.80 and 28,350,858.80

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Solution

The fourth proportional to 31,542,129.20, 47,313,193.80 and 28,350,858.80 is: 42,526,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,542,129.20 : 47,313,193.80 = 28,350,858.80 : x
  2. Step 2: Convert to fraction form
    31,542,129.20/47,313,193.80 = 28,350,858.80/x
  3. Step 3: Cross multiply
    31,542,129.20x = 47,313,193.80 × 28,350,858.80
  4. Step 4: Simplify right side
    31,542,129.20x = 1,341,369,676,800,835.50
  5. Step 5: Solve for x
    x = 1,341,369,676,800,835.50/31,542,129.20
  6. Step 6: Final answer
    x = 42,526,288.20

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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.