Home / 56,435.80-77,882.28-30,944.49

Finding the Fourth Proportional to 56,435.80, 77,882.28 and 30,944.49

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Solution

The fourth proportional to 56,435.80, 77,882.28 and 30,944.49 is: 42,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,435.80 : 77,882.28 = 30,944.49 : x
  2. Step 2: Convert to fraction form
    56,435.80/77,882.28 = 30,944.49/x
  3. Step 3: Cross multiply
    56,435.80x = 77,882.28 × 30,944.49
  4. Step 4: Simplify right side
    56,435.80x = 2,410,027,434.64
  5. Step 5: Solve for x
    x = 2,410,027,434.64/56,435.80
  6. Step 6: Final answer
    x = 42,703.88

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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.