Home / 55,652.40-76,805.19-31,786.74

Finding the Fourth Proportional to 55,652.40, 76,805.19 and 31,786.74

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Solution

The fourth proportional to 55,652.40, 76,805.19 and 31,786.74 is: 43,868.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,652.40 : 76,805.19 = 31,786.74 : x
  2. Step 2: Convert to fraction form
    55,652.40/76,805.19 = 31,786.74/x
  3. Step 3: Cross multiply
    55,652.40x = 76,805.19 × 31,786.74
  4. Step 4: Simplify right side
    55,652.40x = 2,441,386,605.18
  5. Step 5: Solve for x
    x = 2,441,386,605.18/55,652.40
  6. Step 6: Final answer
    x = 43,868.49

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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.