Home / 37,345.72-51,537.06-20,578.84

Finding the Fourth Proportional to 37,345.72, 51,537.06 and 20,578.84

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Solution

The fourth proportional to 37,345.72, 51,537.06 and 20,578.84 is: 28,398.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,345.72 : 51,537.06 = 20,578.84 : x
  2. Step 2: Convert to fraction form
    37,345.72/51,537.06 = 20,578.84/x
  3. Step 3: Cross multiply
    37,345.72x = 51,537.06 × 20,578.84
  4. Step 4: Simplify right side
    37,345.72x = 1,060,572,911.81
  5. Step 5: Solve for x
    x = 1,060,572,911.81/37,345.72
  6. Step 6: Final answer
    x = 28,398.78

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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.