Home / 55,753.05-76,938.89-30,259.92

Finding the Fourth Proportional to 55,753.05, 76,938.89 and 30,259.92

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Solution

The fourth proportional to 55,753.05, 76,938.89 and 30,259.92 is: 41,758.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,753.05 : 76,938.89 = 30,259.92 : x
  2. Step 2: Convert to fraction form
    55,753.05/76,938.89 = 30,259.92/x
  3. Step 3: Cross multiply
    55,753.05x = 76,938.89 × 30,259.92
  4. Step 4: Simplify right side
    55,753.05x = 2,328,164,504.99
  5. Step 5: Solve for x
    x = 2,328,164,504.99/55,753.05
  6. Step 6: Final answer
    x = 41,758.51

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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.