Home / 55,510.66-76,586.07-31,620.43

Finding the Fourth Proportional to 55,510.66, 76,586.07 and 31,620.43

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Solution

The fourth proportional to 55,510.66, 76,586.07 and 31,620.43 is: 43,625.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,510.66 : 76,586.07 = 31,620.43 : x
  2. Step 2: Convert to fraction form
    55,510.66/76,586.07 = 31,620.43/x
  3. Step 3: Cross multiply
    55,510.66x = 76,586.07 × 31,620.43
  4. Step 4: Simplify right side
    55,510.66x = 2,421,684,465.41
  5. Step 5: Solve for x
    x = 2,421,684,465.41/55,510.66
  6. Step 6: Final answer
    x = 43,625.58

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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.