Home / 29,342.90-40,511.27-22,615.04

Finding the Fourth Proportional to 29,342.90, 40,511.27 and 22,615.04

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Solution

The fourth proportional to 29,342.90, 40,511.27 and 22,615.04 is: 31,222.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,342.90 : 40,511.27 = 22,615.04 : x
  2. Step 2: Convert to fraction form
    29,342.90/40,511.27 = 22,615.04/x
  3. Step 3: Cross multiply
    29,342.90x = 40,511.27 × 22,615.04
  4. Step 4: Simplify right side
    29,342.90x = 916,163,991.50
  5. Step 5: Solve for x
    x = 916,163,991.50/29,342.90
  6. Step 6: Final answer
    x = 31,222.68

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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.