Home / 56,659.88-78,192.35-31,164.93

Finding the Fourth Proportional to 56,659.88, 78,192.35 and 31,164.93

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Solution

The fourth proportional to 56,659.88, 78,192.35 and 31,164.93 is: 43,008.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,659.88 : 78,192.35 = 31,164.93 : x
  2. Step 2: Convert to fraction form
    56,659.88/78,192.35 = 31,164.93/x
  3. Step 3: Cross multiply
    56,659.88x = 78,192.35 × 31,164.93
  4. Step 4: Simplify right side
    56,659.88x = 2,436,858,958.46
  5. Step 5: Solve for x
    x = 2,436,858,958.46/56,659.88
  6. Step 6: Final answer
    x = 43,008.55

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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.