Home / 45,786.90-63,193.59-27,888.87

Finding the Fourth Proportional to 45,786.90, 63,193.59 and 27,888.87

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Solution

The fourth proportional to 45,786.90, 63,193.59 and 27,888.87 is: 38,491.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786.90 : 63,193.59 = 27,888.87 : x
  2. Step 2: Convert to fraction form
    45,786.90/63,193.59 = 27,888.87/x
  3. Step 3: Cross multiply
    45,786.90x = 63,193.59 × 27,888.87
  4. Step 4: Simplify right side
    45,786.90x = 1,762,397,816.34
  5. Step 5: Solve for x
    x = 1,762,397,816.34/45,786.90
  6. Step 6: Final answer
    x = 38,491.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.