Home / 39,406.86-54,381.55-22,410.67

Finding the Fourth Proportional to 39,406.86, 54,381.55 and 22,410.67

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Solution

The fourth proportional to 39,406.86, 54,381.55 and 22,410.67 is: 30,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,406.86 : 54,381.55 = 22,410.67 : x
  2. Step 2: Convert to fraction form
    39,406.86/54,381.55 = 22,410.67/x
  3. Step 3: Cross multiply
    39,406.86x = 54,381.55 × 22,410.67
  4. Step 4: Simplify right side
    39,406.86x = 1,218,726,971.14
  5. Step 5: Solve for x
    x = 1,218,726,971.14/39,406.86
  6. Step 6: Final answer
    x = 30,926.77

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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.