Home / 39,433.67-54,416.40-21,525.22

Finding the Fourth Proportional to 39,433.67, 54,416.40 and 21,525.22

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Solution

The fourth proportional to 39,433.67, 54,416.40 and 21,525.22 is: 29,703.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,433.67 : 54,416.40 = 21,525.22 : x
  2. Step 2: Convert to fraction form
    39,433.67/54,416.40 = 21,525.22/x
  3. Step 3: Cross multiply
    39,433.67x = 54,416.40 × 21,525.22
  4. Step 4: Simplify right side
    39,433.67x = 1,171,324,709.53
  5. Step 5: Solve for x
    x = 1,171,324,709.53/39,433.67
  6. Step 6: Final answer
    x = 29,703.67

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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.