Home / 40,865.20-56,390.52-22,958.80

Finding the Fourth Proportional to 40,865.20, 56,390.52 and 22,958.80

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Solution

The fourth proportional to 40,865.20, 56,390.52 and 22,958.80 is: 31,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,865.20 : 56,390.52 = 22,958.80 : x
  2. Step 2: Convert to fraction form
    40,865.20/56,390.52 = 22,958.80/x
  3. Step 3: Cross multiply
    40,865.20x = 56,390.52 × 22,958.80
  4. Step 4: Simplify right side
    40,865.20x = 1,294,658,670.58
  5. Step 5: Solve for x
    x = 1,294,658,670.58/40,865.20
  6. Step 6: Final answer
    x = 31,681.20

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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.