Home / 29,918.32-41,289.08-16,489.55

Finding the Fourth Proportional to 29,918.32, 41,289.08 and 16,489.55

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Solution

The fourth proportional to 29,918.32, 41,289.08 and 16,489.55 is: 22,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,918.32 : 41,289.08 = 16,489.55 : x
  2. Step 2: Convert to fraction form
    29,918.32/41,289.08 = 16,489.55/x
  3. Step 3: Cross multiply
    29,918.32x = 41,289.08 × 16,489.55
  4. Step 4: Simplify right side
    29,918.32x = 680,838,369.89
  5. Step 5: Solve for x
    x = 680,838,369.89/29,918.32
  6. Step 6: Final answer
    x = 22,756.57

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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.