Home / 56,913.78-78,537.57-34,260.11

Finding the Fourth Proportional to 56,913.78, 78,537.57 and 34,260.11

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Solution

The fourth proportional to 56,913.78, 78,537.57 and 34,260.11 is: 47,276.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,913.78 : 78,537.57 = 34,260.11 : x
  2. Step 2: Convert to fraction form
    56,913.78/78,537.57 = 34,260.11/x
  3. Step 3: Cross multiply
    56,913.78x = 78,537.57 × 34,260.11
  4. Step 4: Simplify right side
    56,913.78x = 2,690,705,394.64
  5. Step 5: Solve for x
    x = 2,690,705,394.64/56,913.78
  6. Step 6: Final answer
    x = 47,276.87

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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.