Home / 55,843.18-77,063.86-30,349.74

Finding the Fourth Proportional to 55,843.18, 77,063.86 and 30,349.74

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Solution

The fourth proportional to 55,843.18, 77,063.86 and 30,349.74 is: 41,882.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,843.18 : 77,063.86 = 30,349.74 : x
  2. Step 2: Convert to fraction form
    55,843.18/77,063.86 = 30,349.74/x
  3. Step 3: Cross multiply
    55,843.18x = 77,063.86 × 30,349.74
  4. Step 4: Simplify right side
    55,843.18x = 2,338,868,114.40
  5. Step 5: Solve for x
    x = 2,338,868,114.40/55,843.18
  6. Step 6: Final answer
    x = 41,882.79

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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.