Home / 43,136.57-64,711.37-13,551.62

Finding the Fourth Proportional to 43,136.57, 64,711.37 and 13,551.62

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Solution

The fourth proportional to 43,136.57, 64,711.37 and 13,551.62 is: 20,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,136.57 : 64,711.37 = 13,551.62 : x
  2. Step 2: Convert to fraction form
    43,136.57/64,711.37 = 13,551.62/x
  3. Step 3: Cross multiply
    43,136.57x = 64,711.37 × 13,551.62
  4. Step 4: Simplify right side
    43,136.57x = 876,943,606.24
  5. Step 5: Solve for x
    x = 876,943,606.24/43,136.57
  6. Step 6: Final answer
    x = 20,329.47

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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.