Home / 55,669.61-76,815.69-31,791.23

Finding the Fourth Proportional to 55,669.61, 76,815.69 and 31,791.23

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Solution

The fourth proportional to 55,669.61, 76,815.69 and 31,791.23 is: 43,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,669.61 : 76,815.69 = 31,791.23 : x
  2. Step 2: Convert to fraction form
    55,669.61/76,815.69 = 31,791.23/x
  3. Step 3: Cross multiply
    55,669.61x = 76,815.69 × 31,791.23
  4. Step 4: Simplify right side
    55,669.61x = 2,442,064,884.32
  5. Step 5: Solve for x
    x = 2,442,064,884.32/55,669.61
  6. Step 6: Final answer
    x = 43,867.11

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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.