Home / 55,013-75,919.14-33,503.75

Finding the Fourth Proportional to 55,013, 75,919.14 and 33,503.75

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Solution

The fourth proportional to 55,013, 75,919.14 and 33,503.75 is: 46,235.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,013 : 75,919.14 = 33,503.75 : x
  2. Step 2: Convert to fraction form
    55,013/75,919.14 = 33,503.75/x
  3. Step 3: Cross multiply
    55,013x = 75,919.14 × 33,503.75
  4. Step 4: Simplify right side
    55,013x = 2,543,575,886.78
  5. Step 5: Solve for x
    x = 2,543,575,886.78/55,013
  6. Step 6: Final answer
    x = 46,235.91

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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.