Home / 29,298.78-43,941.21-12,649.71

Finding the Fourth Proportional to 29,298.78, 43,941.21 and 12,649.71

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Solution

The fourth proportional to 29,298.78, 43,941.21 and 12,649.71 is: 18,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,298.78 : 43,941.21 = 12,649.71 : x
  2. Step 2: Convert to fraction form
    29,298.78/43,941.21 = 12,649.71/x
  3. Step 3: Cross multiply
    29,298.78x = 43,941.21 × 12,649.71
  4. Step 4: Simplify right side
    29,298.78x = 555,843,563.55
  5. Step 5: Solve for x
    x = 555,843,563.55/29,298.78
  6. Step 6: Final answer
    x = 18,971.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.