Home / 56,797.84-78,380.77-31,304.16

Finding the Fourth Proportional to 56,797.84, 78,380.77 and 31,304.16

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Solution

The fourth proportional to 56,797.84, 78,380.77 and 31,304.16 is: 43,199.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,797.84 : 78,380.77 = 31,304.16 : x
  2. Step 2: Convert to fraction form
    56,797.84/78,380.77 = 31,304.16/x
  3. Step 3: Cross multiply
    56,797.84x = 78,380.77 × 31,304.16
  4. Step 4: Simplify right side
    56,797.84x = 2,453,643,616.58
  5. Step 5: Solve for x
    x = 2,453,643,616.58/56,797.84
  6. Step 6: Final answer
    x = 43,199.59

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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.