Home / 55,389.62-76,444.10-31,190.82

Finding the Fourth Proportional to 55,389.62, 76,444.10 and 31,190.82

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Solution

The fourth proportional to 55,389.62, 76,444.10 and 31,190.82 is: 43,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,389.62 : 76,444.10 = 31,190.82 : x
  2. Step 2: Convert to fraction form
    55,389.62/76,444.10 = 31,190.82/x
  3. Step 3: Cross multiply
    55,389.62x = 76,444.10 × 31,190.82
  4. Step 4: Simplify right side
    55,389.62x = 2,384,354,442.95
  5. Step 5: Solve for x
    x = 2,384,354,442.95/55,389.62
  6. Step 6: Final answer
    x = 43,046.95

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1.5x scale

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.