Home / 51,862.56-77,776.49-20,264.42

Finding the Fourth Proportional to 51,862.56, 77,776.49 and 20,264.42

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Solution

The fourth proportional to 51,862.56, 77,776.49 and 20,264.42 is: 30,389.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,862.56 : 77,776.49 = 20,264.42 : x
  2. Step 2: Convert to fraction form
    51,862.56/77,776.49 = 20,264.42/x
  3. Step 3: Cross multiply
    51,862.56x = 77,776.49 × 20,264.42
  4. Step 4: Simplify right side
    51,862.56x = 1,576,095,459.49
  5. Step 5: Solve for x
    x = 1,576,095,459.49/51,862.56
  6. Step 6: Final answer
    x = 30,389.85

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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.