Home / 51,374.58-77,032.68-30,612.66

Finding the Fourth Proportional to 51,374.58, 77,032.68 and 30,612.66

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Solution

The fourth proportional to 51,374.58, 77,032.68 and 30,612.66 is: 45,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,374.58 : 77,032.68 = 30,612.66 : x
  2. Step 2: Convert to fraction form
    51,374.58/77,032.68 = 30,612.66/x
  3. Step 3: Cross multiply
    51,374.58x = 77,032.68 × 30,612.66
  4. Step 4: Simplify right side
    51,374.58x = 2,358,175,241.73
  5. Step 5: Solve for x
    x = 2,358,175,241.73/51,374.58
  6. Step 6: Final answer
    x = 45,901.60

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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.