Home / 66,511.21-91,787.40-36,298.47

Finding the Fourth Proportional to 66,511.21, 91,787.40 and 36,298.47

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Solution

The fourth proportional to 66,511.21, 91,787.40 and 36,298.47 is: 50,092.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,511.21 : 91,787.40 = 36,298.47 : x
  2. Step 2: Convert to fraction form
    66,511.21/91,787.40 = 36,298.47/x
  3. Step 3: Cross multiply
    66,511.21x = 91,787.40 × 36,298.47
  4. Step 4: Simplify right side
    66,511.21x = 3,331,742,094.53
  5. Step 5: Solve for x
    x = 3,331,742,094.53/66,511.21
  6. Step 6: Final answer
    x = 50,092.94

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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.