Home / 56,377.46-77,799.90-30,884.33

Finding the Fourth Proportional to 56,377.46, 77,799.90 and 30,884.33

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Solution

The fourth proportional to 56,377.46, 77,799.90 and 30,884.33 is: 42,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,377.46 : 77,799.90 = 30,884.33 : x
  2. Step 2: Convert to fraction form
    56,377.46/77,799.90 = 30,884.33/x
  3. Step 3: Cross multiply
    56,377.46x = 77,799.90 × 30,884.33
  4. Step 4: Simplify right side
    56,377.46x = 2,402,797,785.57
  5. Step 5: Solve for x
    x = 2,402,797,785.57/56,377.46
  6. Step 6: Final answer
    x = 42,619.83

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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.