Home / 56,867.79-78,479.24-31,716.75

Finding the Fourth Proportional to 56,867.79, 78,479.24 and 31,716.75

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Solution

The fourth proportional to 56,867.79, 78,479.24 and 31,716.75 is: 43,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,867.79 : 78,479.24 = 31,716.75 : x
  2. Step 2: Convert to fraction form
    56,867.79/78,479.24 = 31,716.75/x
  3. Step 3: Cross multiply
    56,867.79x = 78,479.24 × 31,716.75
  4. Step 4: Simplify right side
    56,867.79x = 2,489,106,276.69
  5. Step 5: Solve for x
    x = 2,489,106,276.69/56,867.79
  6. Step 6: Final answer
    x = 43,770.05

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1.5x scale

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.