Home / 38,467.70-53,085.21-21,470.96

Finding the Fourth Proportional to 38,467.70, 53,085.21 and 21,470.96

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Solution

The fourth proportional to 38,467.70, 53,085.21 and 21,470.96 is: 29,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,467.70 : 53,085.21 = 21,470.96 : x
  2. Step 2: Convert to fraction form
    38,467.70/53,085.21 = 21,470.96/x
  3. Step 3: Cross multiply
    38,467.70x = 53,085.21 × 21,470.96
  4. Step 4: Simplify right side
    38,467.70x = 1,139,790,155.08
  5. Step 5: Solve for x
    x = 1,139,790,155.08/38,467.70
  6. Step 6: Final answer
    x = 29,629.80

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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.