Home / 55,437.09-76,494.39-31,564.23

Finding the Fourth Proportional to 55,437.09, 76,494.39 and 31,564.23

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Solution

The fourth proportional to 55,437.09, 76,494.39 and 31,564.23 is: 43,553.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,437.09 : 76,494.39 = 31,564.23 : x
  2. Step 2: Convert to fraction form
    55,437.09/76,494.39 = 31,564.23/x
  3. Step 3: Cross multiply
    55,437.09x = 76,494.39 × 31,564.23
  4. Step 4: Simplify right side
    55,437.09x = 2,414,486,519.67
  5. Step 5: Solve for x
    x = 2,414,486,519.67/55,437.09
  6. Step 6: Final answer
    x = 43,553.63

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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.