Home / 29,750.22-41,021.64-18,980.69

Finding the Fourth Proportional to 29,750.22, 41,021.64 and 18,980.69

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Solution

The fourth proportional to 29,750.22, 41,021.64 and 18,980.69 is: 26,171.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,750.22 : 41,021.64 = 18,980.69 : x
  2. Step 2: Convert to fraction form
    29,750.22/41,021.64 = 18,980.69/x
  3. Step 3: Cross multiply
    29,750.22x = 41,021.64 × 18,980.69
  4. Step 4: Simplify right side
    29,750.22x = 778,618,827.02
  5. Step 5: Solve for x
    x = 778,618,827.02/29,750.22
  6. Step 6: Final answer
    x = 26,171.87

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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.