Home / 47,689.20-71,533.80-41,122.80

Finding the Fourth Proportional to 47,689.20, 71,533.80 and 41,122.80

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Solution

The fourth proportional to 47,689.20, 71,533.80 and 41,122.80 is: 61,684.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,689.20 : 71,533.80 = 41,122.80 : x
  2. Step 2: Convert to fraction form
    47,689.20/71,533.80 = 41,122.80/x
  3. Step 3: Cross multiply
    47,689.20x = 71,533.80 × 41,122.80
  4. Step 4: Simplify right side
    47,689.20x = 2,941,670,150.64
  5. Step 5: Solve for x
    x = 2,941,670,150.64/47,689.20
  6. Step 6: Final answer
    x = 61,684.20

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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.