Home / 55,553.64-76,671.36-31,359.48

Finding the Fourth Proportional to 55,553.64, 76,671.36 and 31,359.48

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Solution

The fourth proportional to 55,553.64, 76,671.36 and 31,359.48 is: 43,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,553.64 : 76,671.36 = 31,359.48 : x
  2. Step 2: Convert to fraction form
    55,553.64/76,671.36 = 31,359.48/x
  3. Step 3: Cross multiply
    55,553.64x = 76,671.36 × 31,359.48
  4. Step 4: Simplify right side
    55,553.64x = 2,404,373,980.49
  5. Step 5: Solve for x
    x = 2,404,373,980.49/55,553.64
  6. Step 6: Final answer
    x = 43,280.22

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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.