Home / 63,421.85-87,521.20-34,741.28

Finding the Fourth Proportional to 63,421.85, 87,521.20 and 34,741.28

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Solution

The fourth proportional to 63,421.85, 87,521.20 and 34,741.28 is: 47,942.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,421.85 : 87,521.20 = 34,741.28 : x
  2. Step 2: Convert to fraction form
    63,421.85/87,521.20 = 34,741.28/x
  3. Step 3: Cross multiply
    63,421.85x = 87,521.20 × 34,741.28
  4. Step 4: Simplify right side
    63,421.85x = 3,040,598,647.09
  5. Step 5: Solve for x
    x = 3,040,598,647.09/63,421.85
  6. Step 6: Final answer
    x = 47,942.44

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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.