Home / 55,836.90-77,058.34-31,963.01

Finding the Fourth Proportional to 55,836.90, 77,058.34 and 31,963.01

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Solution

The fourth proportional to 55,836.90, 77,058.34 and 31,963.01 is: 44,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,836.90 : 77,058.34 = 31,963.01 : x
  2. Step 2: Convert to fraction form
    55,836.90/77,058.34 = 31,963.01/x
  3. Step 3: Cross multiply
    55,836.90x = 77,058.34 × 31,963.01
  4. Step 4: Simplify right side
    55,836.90x = 2,463,016,026.80
  5. Step 5: Solve for x
    x = 2,463,016,026.80/55,836.90
  6. Step 6: Final answer
    x = 44,110.90

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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.