Home / 29,222.55-40,317.26-16,638.39

Finding the Fourth Proportional to 29,222.55, 40,317.26 and 16,638.39

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Solution

The fourth proportional to 29,222.55, 40,317.26 and 16,638.39 is: 22,955.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,222.55 : 40,317.26 = 16,638.39 : x
  2. Step 2: Convert to fraction form
    29,222.55/40,317.26 = 16,638.39/x
  3. Step 3: Cross multiply
    29,222.55x = 40,317.26 × 16,638.39
  4. Step 4: Simplify right side
    29,222.55x = 670,814,295.61
  5. Step 5: Solve for x
    x = 670,814,295.61/29,222.55
  6. Step 6: Final answer
    x = 22,955.36

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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.