Home / 56,961.64-78,618.66-35,725.48

Finding the Fourth Proportional to 56,961.64, 78,618.66 and 35,725.48

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Solution

The fourth proportional to 56,961.64, 78,618.66 and 35,725.48 is: 49,308.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,961.64 : 78,618.66 = 35,725.48 : x
  2. Step 2: Convert to fraction form
    56,961.64/78,618.66 = 35,725.48/x
  3. Step 3: Cross multiply
    56,961.64x = 78,618.66 × 35,725.48
  4. Step 4: Simplify right side
    56,961.64x = 2,808,689,365.46
  5. Step 5: Solve for x
    x = 2,808,689,365.46/56,961.64
  6. Step 6: Final answer
    x = 49,308.44

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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.