Home / 29,214.83-40,349.72-19,638.09

Finding the Fourth Proportional to 29,214.83, 40,349.72 and 19,638.09

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Solution

The fourth proportional to 29,214.83, 40,349.72 and 19,638.09 is: 27,122.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,214.83 : 40,349.72 = 19,638.09 : x
  2. Step 2: Convert to fraction form
    29,214.83/40,349.72 = 19,638.09/x
  3. Step 3: Cross multiply
    29,214.83x = 40,349.72 × 19,638.09
  4. Step 4: Simplify right side
    29,214.83x = 792,391,432.83
  5. Step 5: Solve for x
    x = 792,391,432.83/29,214.83
  6. Step 6: Final answer
    x = 27,122.92

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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.