Home / 43,137.84-64,706.16-13,557.48

Finding the Fourth Proportional to 43,137.84, 64,706.16 and 13,557.48

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Solution

The fourth proportional to 43,137.84, 64,706.16 and 13,557.48 is: 20,336.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,137.84 : 64,706.16 = 13,557.48 : x
  2. Step 2: Convert to fraction form
    43,137.84/64,706.16 = 13,557.48/x
  3. Step 3: Cross multiply
    43,137.84x = 64,706.16 × 13,557.48
  4. Step 4: Simplify right side
    43,137.84x = 877,252,470.08
  5. Step 5: Solve for x
    x = 877,252,470.08/43,137.84
  6. Step 6: Final answer
    x = 20,336.03

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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.