Home / 43,290.46-64,942.18-15,205.56

Finding the Fourth Proportional to 43,290.46, 64,942.18 and 15,205.56

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Solution

The fourth proportional to 43,290.46, 64,942.18 and 15,205.56 is: 22,810.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,290.46 : 64,942.18 = 15,205.56 : x
  2. Step 2: Convert to fraction form
    43,290.46/64,942.18 = 15,205.56/x
  3. Step 3: Cross multiply
    43,290.46x = 64,942.18 × 15,205.56
  4. Step 4: Simplify right side
    43,290.46x = 987,482,214.52
  5. Step 5: Solve for x
    x = 987,482,214.52/43,290.46
  6. Step 6: Final answer
    x = 22,810.62

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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.