Home / 40,611.89-56,027.43-31,643.82

Finding the Fourth Proportional to 40,611.89, 56,027.43 and 31,643.82

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Solution

The fourth proportional to 40,611.89, 56,027.43 and 31,643.82 is: 43,655.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,611.89 : 56,027.43 = 31,643.82 : x
  2. Step 2: Convert to fraction form
    40,611.89/56,027.43 = 31,643.82/x
  3. Step 3: Cross multiply
    40,611.89x = 56,027.43 × 31,643.82
  4. Step 4: Simplify right side
    40,611.89x = 1,772,921,909.98
  5. Step 5: Solve for x
    x = 1,772,921,909.98/40,611.89
  6. Step 6: Final answer
    x = 43,655.24

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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.