Home / 56,346.44-77,759.28-30,853.88

Finding the Fourth Proportional to 56,346.44, 77,759.28 and 30,853.88

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Solution

The fourth proportional to 56,346.44, 77,759.28 and 30,853.88 is: 42,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,346.44 : 77,759.28 = 30,853.88 : x
  2. Step 2: Convert to fraction form
    56,346.44/77,759.28 = 30,853.88/x
  3. Step 3: Cross multiply
    56,346.44x = 77,759.28 × 30,853.88
  4. Step 4: Simplify right side
    56,346.44x = 2,399,175,494.01
  5. Step 5: Solve for x
    x = 2,399,175,494.01/56,346.44
  6. Step 6: Final answer
    x = 42,579.01

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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.