Home / 40,819.20-61,228.80-33,907.20

Finding the Fourth Proportional to 40,819.20, 61,228.80 and 33,907.20

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Solution

The fourth proportional to 40,819.20, 61,228.80 and 33,907.20 is: 50,860.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,819.20 : 61,228.80 = 33,907.20 : x
  2. Step 2: Convert to fraction form
    40,819.20/61,228.80 = 33,907.20/x
  3. Step 3: Cross multiply
    40,819.20x = 61,228.80 × 33,907.20
  4. Step 4: Simplify right side
    40,819.20x = 2,076,097,167.36
  5. Step 5: Solve for x
    x = 2,076,097,167.36/40,819.20
  6. Step 6: Final answer
    x = 50,860.80

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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.