Home / 29,513.21-40,721.00-18,917.19

Finding the Fourth Proportional to 29,513.21, 40,721.00 and 18,917.19

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Solution

The fourth proportional to 29,513.21, 40,721.00 and 18,917.19 is: 26,101.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,513.21 : 40,721.00 = 18,917.19 : x
  2. Step 2: Convert to fraction form
    29,513.21/40,721.00 = 18,917.19/x
  3. Step 3: Cross multiply
    29,513.21x = 40,721.00 × 18,917.19
  4. Step 4: Simplify right side
    29,513.21x = 770,326,941.28
  5. Step 5: Solve for x
    x = 770,326,941.28/29,513.21
  6. Step 6: Final answer
    x = 26,101.09

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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.