Home / 43,252.20-64,907.10-19,866.60

Finding the Fourth Proportional to 43,252.20, 64,907.10 and 19,866.60

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Solution

The fourth proportional to 43,252.20, 64,907.10 and 19,866.60 is: 29,813.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,252.20 : 64,907.10 = 19,866.60 : x
  2. Step 2: Convert to fraction form
    43,252.20/64,907.10 = 19,866.60/x
  3. Step 3: Cross multiply
    43,252.20x = 64,907.10 × 19,866.60
  4. Step 4: Simplify right side
    43,252.20x = 1,289,483,392.86
  5. Step 5: Solve for x
    x = 1,289,483,392.86/43,252.20
  6. Step 6: Final answer
    x = 29,813.13

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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.