Home / 51,985.44-77,826.24-38,717.28

Finding the Fourth Proportional to 51,985.44, 77,826.24 and 38,717.28

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Solution

The fourth proportional to 51,985.44, 77,826.24 and 38,717.28 is: 57,962.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,985.44 : 77,826.24 = 38,717.28 : x
  2. Step 2: Convert to fraction form
    51,985.44/77,826.24 = 38,717.28/x
  3. Step 3: Cross multiply
    51,985.44x = 77,826.24 × 38,717.28
  4. Step 4: Simplify right side
    51,985.44x = 3,013,220,325.43
  5. Step 5: Solve for x
    x = 3,013,220,325.43/51,985.44
  6. Step 6: Final answer
    x = 57,962.77

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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.