Home / 51,102.64-76,587.44-26,121.68

Finding the Fourth Proportional to 51,102.64, 76,587.44 and 26,121.68

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Solution

The fourth proportional to 51,102.64, 76,587.44 and 26,121.68 is: 39,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,102.64 : 76,587.44 = 26,121.68 : x
  2. Step 2: Convert to fraction form
    51,102.64/76,587.44 = 26,121.68/x
  3. Step 3: Cross multiply
    51,102.64x = 76,587.44 × 26,121.68
  4. Step 4: Simplify right side
    51,102.64x = 2,000,592,599.70
  5. Step 5: Solve for x
    x = 2,000,592,599.70/51,102.64
  6. Step 6: Final answer
    x = 39,148.52

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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.