Home / 39,409.27-54,384.93-21,504.67

Finding the Fourth Proportional to 39,409.27, 54,384.93 and 21,504.67

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Solution

The fourth proportional to 39,409.27, 54,384.93 and 21,504.67 is: 29,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.27 : 54,384.93 = 21,504.67 : x
  2. Step 2: Convert to fraction form
    39,409.27/54,384.93 = 21,504.67/x
  3. Step 3: Cross multiply
    39,409.27x = 54,384.93 × 21,504.67
  4. Step 4: Simplify right side
    39,409.27x = 1,169,529,836.66
  5. Step 5: Solve for x
    x = 1,169,529,836.66/39,409.27
  6. Step 6: Final answer
    x = 29,676.52

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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.