Home / 61,428.31-92,138.71-36,141.82

Finding the Fourth Proportional to 61,428.31, 92,138.71 and 36,141.82

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Solution

The fourth proportional to 61,428.31, 92,138.71 and 36,141.82 is: 54,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,428.31 : 92,138.71 = 36,141.82 : x
  2. Step 2: Convert to fraction form
    61,428.31/92,138.71 = 36,141.82/x
  3. Step 3: Cross multiply
    61,428.31x = 92,138.71 × 36,141.82
  4. Step 4: Simplify right side
    61,428.31x = 3,330,060,671.85
  5. Step 5: Solve for x
    x = 3,330,060,671.85/61,428.31
  6. Step 6: Final answer
    x = 54,210.52

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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.