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Finding the Fourth Proportional to 38,636, 53,320.92 and 24,483.68

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Solution

The fourth proportional to 38,636, 53,320.92 and 24,483.68 is: 33,789.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,636 : 53,320.92 = 24,483.68 : x
  2. Step 2: Convert to fraction form
    38,636/53,320.92 = 24,483.68/x
  3. Step 3: Cross multiply
    38,636x = 53,320.92 × 24,483.68
  4. Step 4: Simplify right side
    38,636x = 1,305,492,342.59
  5. Step 5: Solve for x
    x = 1,305,492,342.59/38,636
  6. Step 6: Final answer
    x = 33,789.53

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Double scale
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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.