Home / 56,450.64-77,923.80-42,344.52

Finding the Fourth Proportional to 56,450.64, 77,923.80 and 42,344.52

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Solution

The fourth proportional to 56,450.64, 77,923.80 and 42,344.52 is: 58,451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,450.64 : 77,923.80 = 42,344.52 : x
  2. Step 2: Convert to fraction form
    56,450.64/77,923.80 = 42,344.52/x
  3. Step 3: Cross multiply
    56,450.64x = 77,923.80 × 42,344.52
  4. Step 4: Simplify right side
    56,450.64x = 3,299,645,907.58
  5. Step 5: Solve for x
    x = 3,299,645,907.58/56,450.64
  6. Step 6: Final answer
    x = 58,451.88

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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.