Home / 38,479.26-53,103.74-21,483.48

Finding the Fourth Proportional to 38,479.26, 53,103.74 and 21,483.48

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Solution

The fourth proportional to 38,479.26, 53,103.74 and 21,483.48 is: 29,648.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,479.26 : 53,103.74 = 21,483.48 : x
  2. Step 2: Convert to fraction form
    38,479.26/53,103.74 = 21,483.48/x
  3. Step 3: Cross multiply
    38,479.26x = 53,103.74 × 21,483.48
  4. Step 4: Simplify right side
    38,479.26x = 1,140,853,189.92
  5. Step 5: Solve for x
    x = 1,140,853,189.92/38,479.26
  6. Step 6: Final answer
    x = 29,648.52

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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.