Home / 55,377.32-76,410.48-31,502.60

Finding the Fourth Proportional to 55,377.32, 76,410.48 and 31,502.60

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Solution

The fourth proportional to 55,377.32, 76,410.48 and 31,502.60 is: 43,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,377.32 : 76,410.48 = 31,502.60 : x
  2. Step 2: Convert to fraction form
    55,377.32/76,410.48 = 31,502.60/x
  3. Step 3: Cross multiply
    55,377.32x = 76,410.48 × 31,502.60
  4. Step 4: Simplify right side
    55,377.32x = 2,407,128,787.25
  5. Step 5: Solve for x
    x = 2,407,128,787.25/55,377.32
  6. Step 6: Final answer
    x = 43,467.77

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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.