Home / 43,293.80-64,940.25-13,711.63

Finding the Fourth Proportional to 43,293.80, 64,940.25 and 13,711.63

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Solution

The fourth proportional to 43,293.80, 64,940.25 and 13,711.63 is: 20,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,293.80 : 64,940.25 = 13,711.63 : x
  2. Step 2: Convert to fraction form
    43,293.80/64,940.25 = 13,711.63/x
  3. Step 3: Cross multiply
    43,293.80x = 64,940.25 × 13,711.63
  4. Step 4: Simplify right side
    43,293.80x = 890,436,842.46
  5. Step 5: Solve for x
    x = 890,436,842.46/43,293.80
  6. Step 6: Final answer
    x = 20,567.31

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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.