Home / 43,136.16-64,708.92-13,554.96

Finding the Fourth Proportional to 43,136.16, 64,708.92 and 13,554.96

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Solution

The fourth proportional to 43,136.16, 64,708.92 and 13,554.96 is: 20,333.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,136.16 : 64,708.92 = 13,554.96 : x
  2. Step 2: Convert to fraction form
    43,136.16/64,708.92 = 13,554.96/x
  3. Step 3: Cross multiply
    43,136.16x = 64,708.92 × 13,554.96
  4. Step 4: Simplify right side
    43,136.16x = 877,126,822.24
  5. Step 5: Solve for x
    x = 877,126,822.24/43,136.16
  6. Step 6: Final answer
    x = 20,333.91

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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.