Home / 55,689.38-76,851.01-30,195.49

Finding the Fourth Proportional to 55,689.38, 76,851.01 and 30,195.49

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Solution

The fourth proportional to 55,689.38, 76,851.01 and 30,195.49 is: 41,669.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,689.38 : 76,851.01 = 30,195.49 : x
  2. Step 2: Convert to fraction form
    55,689.38/76,851.01 = 30,195.49/x
  3. Step 3: Cross multiply
    55,689.38x = 76,851.01 × 30,195.49
  4. Step 4: Simplify right side
    55,689.38x = 2,320,553,903.94
  5. Step 5: Solve for x
    x = 2,320,553,903.94/55,689.38
  6. Step 6: Final answer
    x = 41,669.59

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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.