Home / 38,055,136.72-52,516,122.36-20,651,481.92

Finding the Fourth Proportional to 38,055,136.72, 52,516,122.36 and 20,651,481.92

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Solution

The fourth proportional to 38,055,136.72, 52,516,122.36 and 20,651,481.92 is: 28,499,063.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,055,136.72 : 52,516,122.36 = 20,651,481.92 : x
  2. Step 2: Convert to fraction form
    38,055,136.72/52,516,122.36 = 20,651,481.92/x
  3. Step 3: Cross multiply
    38,055,136.72x = 52,516,122.36 × 20,651,481.92
  4. Step 4: Simplify right side
    38,055,136.72x = 1,084,535,751,426,047.88
  5. Step 5: Solve for x
    x = 1,084,535,751,426,047.88/38,055,136.72
  6. Step 6: Final answer
    x = 28,499,063.33

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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.