Home / 47,782.10-71,574.60-28,000.70

Finding the Fourth Proportional to 47,782.10, 71,574.60 and 28,000.70

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Solution

The fourth proportional to 47,782.10, 71,574.60 and 28,000.70 is: 41,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,782.10 : 71,574.60 = 28,000.70 : x
  2. Step 2: Convert to fraction form
    47,782.10/71,574.60 = 28,000.70/x
  3. Step 3: Cross multiply
    47,782.10x = 71,574.60 × 28,000.70
  4. Step 4: Simplify right side
    47,782.10x = 2,004,138,902.22
  5. Step 5: Solve for x
    x = 2,004,138,902.22/47,782.10
  6. Step 6: Final answer
    x = 41,943.30

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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.