Home / 55,462.74-76,538.49-31,589.40

Finding the Fourth Proportional to 55,462.74, 76,538.49 and 31,589.40

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Solution

The fourth proportional to 55,462.74, 76,538.49 and 31,589.40 is: 43,593.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,462.74 : 76,538.49 = 31,589.40 : x
  2. Step 2: Convert to fraction form
    55,462.74/76,538.49 = 31,589.40/x
  3. Step 3: Cross multiply
    55,462.74x = 76,538.49 × 31,589.40
  4. Step 4: Simplify right side
    55,462.74x = 2,417,804,976.01
  5. Step 5: Solve for x
    x = 2,417,804,976.01/55,462.74
  6. Step 6: Final answer
    x = 43,593.32

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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.