Home / 51,548.06-77,312.36-18,266.78

Finding the Fourth Proportional to 51,548.06, 77,312.36 and 18,266.78

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Solution

The fourth proportional to 51,548.06, 77,312.36 and 18,266.78 is: 27,396.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,548.06 : 77,312.36 = 18,266.78 : x
  2. Step 2: Convert to fraction form
    51,548.06/77,312.36 = 18,266.78/x
  3. Step 3: Cross multiply
    51,548.06x = 77,312.36 × 18,266.78
  4. Step 4: Simplify right side
    51,548.06x = 1,412,247,871.40
  5. Step 5: Solve for x
    x = 1,412,247,871.40/51,548.06
  6. Step 6: Final answer
    x = 27,396.72

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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.