Home / 40,420.79-60,589.73-18,249.74

Finding the Fourth Proportional to 40,420.79, 60,589.73 and 18,249.74

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Solution

The fourth proportional to 40,420.79, 60,589.73 and 18,249.74 is: 27,355.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,420.79 : 60,589.73 = 18,249.74 : x
  2. Step 2: Convert to fraction form
    40,420.79/60,589.73 = 18,249.74/x
  3. Step 3: Cross multiply
    40,420.79x = 60,589.73 × 18,249.74
  4. Step 4: Simplify right side
    40,420.79x = 1,105,746,561.85
  5. Step 5: Solve for x
    x = 1,105,746,561.85/40,420.79
  6. Step 6: Final answer
    x = 27,355.89

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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.