Home / 51,389.98-77,091.14-18,103.16

Finding the Fourth Proportional to 51,389.98, 77,091.14 and 18,103.16

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Solution

The fourth proportional to 51,389.98, 77,091.14 and 18,103.16 is: 27,156.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,389.98 : 77,091.14 = 18,103.16 : x
  2. Step 2: Convert to fraction form
    51,389.98/77,091.14 = 18,103.16/x
  3. Step 3: Cross multiply
    51,389.98x = 77,091.14 × 18,103.16
  4. Step 4: Simplify right side
    51,389.98x = 1,395,593,479.99
  5. Step 5: Solve for x
    x = 1,395,593,479.99/51,389.98
  6. Step 6: Final answer
    x = 27,156.92

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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.