Home / 40,891.89-56,430.75-22,986.96

Finding the Fourth Proportional to 40,891.89, 56,430.75 and 22,986.96

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Solution

The fourth proportional to 40,891.89, 56,430.75 and 22,986.96 is: 31,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,891.89 : 56,430.75 = 22,986.96 : x
  2. Step 2: Convert to fraction form
    40,891.89/56,430.75 = 22,986.96/x
  3. Step 3: Cross multiply
    40,891.89x = 56,430.75 × 22,986.96
  4. Step 4: Simplify right side
    40,891.89x = 1,297,171,679.09
  5. Step 5: Solve for x
    x = 1,297,171,679.09/40,891.89
  6. Step 6: Final answer
    x = 31,721.98

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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.