Home / 40,389.99-55,740.33-22,486.56

Finding the Fourth Proportional to 40,389.99, 55,740.33 and 22,486.56

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Solution

The fourth proportional to 40,389.99, 55,740.33 and 22,486.56 is: 31,032.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,389.99 : 55,740.33 = 22,486.56 : x
  2. Step 2: Convert to fraction form
    40,389.99/55,740.33 = 22,486.56/x
  3. Step 3: Cross multiply
    40,389.99x = 55,740.33 × 22,486.56
  4. Step 4: Simplify right side
    40,389.99x = 1,253,408,274.96
  5. Step 5: Solve for x
    x = 1,253,408,274.96/40,389.99
  6. Step 6: Final answer
    x = 31,032.65

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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.