Home / 63,311.48-87,371.34-35,017.72

Finding the Fourth Proportional to 63,311.48, 87,371.34 and 35,017.72

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Solution

The fourth proportional to 63,311.48, 87,371.34 and 35,017.72 is: 48,325.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,311.48 : 87,371.34 = 35,017.72 : x
  2. Step 2: Convert to fraction form
    63,311.48/87,371.34 = 35,017.72/x
  3. Step 3: Cross multiply
    63,311.48x = 87,371.34 × 35,017.72
  4. Step 4: Simplify right side
    63,311.48x = 3,059,545,120.14
  5. Step 5: Solve for x
    x = 3,059,545,120.14/63,311.48
  6. Step 6: Final answer
    x = 48,325.28

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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.