Home / 37,345.48-51,537.30-20,578.12

Finding the Fourth Proportional to 37,345.48, 51,537.30 and 20,578.12

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Solution

The fourth proportional to 37,345.48, 51,537.30 and 20,578.12 is: 28,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,345.48 : 51,537.30 = 20,578.12 : x
  2. Step 2: Convert to fraction form
    37,345.48/51,537.30 = 20,578.12/x
  3. Step 3: Cross multiply
    37,345.48x = 51,537.30 × 20,578.12
  4. Step 4: Simplify right side
    37,345.48x = 1,060,540,743.88
  5. Step 5: Solve for x
    x = 1,060,540,743.88/37,345.48
  6. Step 6: Final answer
    x = 28,398.10

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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.