Home / 60,566.88-90,824.40-21,112.32

Finding the Fourth Proportional to 60,566.88, 90,824.40 and 21,112.32

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Solution

The fourth proportional to 60,566.88, 90,824.40 and 21,112.32 is: 31,659.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,566.88 : 90,824.40 = 21,112.32 : x
  2. Step 2: Convert to fraction form
    60,566.88/90,824.40 = 21,112.32/x
  3. Step 3: Cross multiply
    60,566.88x = 90,824.40 × 21,112.32
  4. Step 4: Simplify right side
    60,566.88x = 1,917,513,796.61
  5. Step 5: Solve for x
    x = 1,917,513,796.61/60,566.88
  6. Step 6: Final answer
    x = 31,659.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.