Home / 56,319.64-77,723.52-31,169.14

Finding the Fourth Proportional to 56,319.64, 77,723.52 and 31,169.14

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Solution

The fourth proportional to 56,319.64, 77,723.52 and 31,169.14 is: 43,014.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,319.64 : 77,723.52 = 31,169.14 : x
  2. Step 2: Convert to fraction form
    56,319.64/77,723.52 = 31,169.14/x
  3. Step 3: Cross multiply
    56,319.64x = 77,723.52 × 31,169.14
  4. Step 4: Simplify right side
    56,319.64x = 2,422,575,276.17
  5. Step 5: Solve for x
    x = 2,422,575,276.17/56,319.64
  6. Step 6: Final answer
    x = 43,014.75

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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.