Home / 37,659.53-51,968.12-20,663.47

Finding the Fourth Proportional to 37,659.53, 51,968.12 and 20,663.47

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Solution

The fourth proportional to 37,659.53, 51,968.12 and 20,663.47 is: 28,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,659.53 : 51,968.12 = 20,663.47 : x
  2. Step 2: Convert to fraction form
    37,659.53/51,968.12 = 20,663.47/x
  3. Step 3: Cross multiply
    37,659.53x = 51,968.12 × 20,663.47
  4. Step 4: Simplify right side
    37,659.53x = 1,073,841,650.22
  5. Step 5: Solve for x
    x = 1,073,841,650.22/37,659.53
  6. Step 6: Final answer
    x = 28,514.47

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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.