Home / 39,733.50-54,832.27-21,828.54

Finding the Fourth Proportional to 39,733.50, 54,832.27 and 21,828.54

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Solution

The fourth proportional to 39,733.50, 54,832.27 and 21,828.54 is: 30,123.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,733.50 : 54,832.27 = 21,828.54 : x
  2. Step 2: Convert to fraction form
    39,733.50/54,832.27 = 21,828.54/x
  3. Step 3: Cross multiply
    39,733.50x = 54,832.27 × 21,828.54
  4. Step 4: Simplify right side
    39,733.50x = 1,196,908,221.14
  5. Step 5: Solve for x
    x = 1,196,908,221.14/39,733.50
  6. Step 6: Final answer
    x = 30,123.40

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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.