Home / 42,794.20-64,069.80-40,466.80

Finding the Fourth Proportional to 42,794.20, 64,069.80 and 40,466.80

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Solution

The fourth proportional to 42,794.20, 64,069.80 and 40,466.80 is: 60,585.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,794.20 : 64,069.80 = 40,466.80 : x
  2. Step 2: Convert to fraction form
    42,794.20/64,069.80 = 40,466.80/x
  3. Step 3: Cross multiply
    42,794.20x = 64,069.80 × 40,466.80
  4. Step 4: Simplify right side
    42,794.20x = 2,592,699,782.64
  5. Step 5: Solve for x
    x = 2,592,699,782.64/42,794.20
  6. Step 6: Final answer
    x = 60,585.31

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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.