Home / 55,479.06-76,569.03-31,607.94

Finding the Fourth Proportional to 55,479.06, 76,569.03 and 31,607.94

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Solution

The fourth proportional to 55,479.06, 76,569.03 and 31,607.94 is: 43,623.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,479.06 : 76,569.03 = 31,607.94 : x
  2. Step 2: Convert to fraction form
    55,479.06/76,569.03 = 31,607.94/x
  3. Step 3: Cross multiply
    55,479.06x = 76,569.03 × 31,607.94
  4. Step 4: Simplify right side
    55,479.06x = 2,420,189,306.10
  5. Step 5: Solve for x
    x = 2,420,189,306.10/55,479.06
  6. Step 6: Final answer
    x = 43,623.47

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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.