Home / 43,228.99-64,838.01-11,641.57

Finding the Fourth Proportional to 43,228.99, 64,838.01 and 11,641.57

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Solution

The fourth proportional to 43,228.99, 64,838.01 and 11,641.57 is: 17,460.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,228.99 : 64,838.01 = 11,641.57 : x
  2. Step 2: Convert to fraction form
    43,228.99/64,838.01 = 11,641.57/x
  3. Step 3: Cross multiply
    43,228.99x = 64,838.01 × 11,641.57
  4. Step 4: Simplify right side
    43,228.99x = 754,816,069.98
  5. Step 5: Solve for x
    x = 754,816,069.98/43,228.99
  6. Step 6: Final answer
    x = 17,460.88

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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.