Home / 56,346.75-77,759.06-31,196.79

Finding the Fourth Proportional to 56,346.75, 77,759.06 and 31,196.79

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Solution

The fourth proportional to 56,346.75, 77,759.06 and 31,196.79 is: 43,051.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,346.75 : 77,759.06 = 31,196.79 : x
  2. Step 2: Convert to fraction form
    56,346.75/77,759.06 = 31,196.79/x
  3. Step 3: Cross multiply
    56,346.75x = 77,759.06 × 31,196.79
  4. Step 4: Simplify right side
    56,346.75x = 2,425,832,909.43
  5. Step 5: Solve for x
    x = 2,425,832,909.43/56,346.75
  6. Step 6: Final answer
    x = 43,051.87

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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.