Home / 29,579.99-40,834.73-18,987.62

Finding the Fourth Proportional to 29,579.99, 40,834.73 and 18,987.62

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Solution

The fourth proportional to 29,579.99, 40,834.73 and 18,987.62 is: 26,212.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,579.99 : 40,834.73 = 18,987.62 : x
  2. Step 2: Convert to fraction form
    29,579.99/40,834.73 = 18,987.62/x
  3. Step 3: Cross multiply
    29,579.99x = 40,834.73 × 18,987.62
  4. Step 4: Simplify right side
    29,579.99x = 775,354,179.34
  5. Step 5: Solve for x
    x = 775,354,179.34/29,579.99
  6. Step 6: Final answer
    x = 26,212.12

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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.