Home / 55,945.89-77,206.94-30,453.91

Finding the Fourth Proportional to 55,945.89, 77,206.94 and 30,453.91

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Solution

The fourth proportional to 55,945.89, 77,206.94 and 30,453.91 is: 42,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,945.89 : 77,206.94 = 30,453.91 : x
  2. Step 2: Convert to fraction form
    55,945.89/77,206.94 = 30,453.91/x
  3. Step 3: Cross multiply
    55,945.89x = 77,206.94 × 30,453.91
  4. Step 4: Simplify right side
    55,945.89x = 2,351,253,085.25
  5. Step 5: Solve for x
    x = 2,351,253,085.25/55,945.89
  6. Step 6: Final answer
    x = 42,027.27

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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.