Home / 38,103.60-52,582.92-21,336.72

Finding the Fourth Proportional to 38,103.60, 52,582.92 and 21,336.72

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Solution

The fourth proportional to 38,103.60, 52,582.92 and 21,336.72 is: 29,444.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,103.60 : 52,582.92 = 21,336.72 : x
  2. Step 2: Convert to fraction form
    38,103.60/52,582.92 = 21,336.72/x
  3. Step 3: Cross multiply
    38,103.60x = 52,582.92 × 21,336.72
  4. Step 4: Simplify right side
    38,103.60x = 1,121,947,040.82
  5. Step 5: Solve for x
    x = 1,121,947,040.82/38,103.60
  6. Step 6: Final answer
    x = 29,444.65

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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.