Home / 43,099.23-64,639.50-13,513.17

Finding the Fourth Proportional to 43,099.23, 64,639.50 and 13,513.17

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Solution

The fourth proportional to 43,099.23, 64,639.50 and 13,513.17 is: 20,266.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,099.23 : 64,639.50 = 13,513.17 : x
  2. Step 2: Convert to fraction form
    43,099.23/64,639.50 = 13,513.17/x
  3. Step 3: Cross multiply
    43,099.23x = 64,639.50 × 13,513.17
  4. Step 4: Simplify right side
    43,099.23x = 873,484,552.22
  5. Step 5: Solve for x
    x = 873,484,552.22/43,099.23
  6. Step 6: Final answer
    x = 20,266.83

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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.