Home / 37,347.15-51,537.76-20,993.86

Finding the Fourth Proportional to 37,347.15, 51,537.76 and 20,993.86

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Solution

The fourth proportional to 37,347.15, 51,537.76 and 20,993.86 is: 28,970.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,347.15 : 51,537.76 = 20,993.86 : x
  2. Step 2: Convert to fraction form
    37,347.15/51,537.76 = 20,993.86/x
  3. Step 3: Cross multiply
    37,347.15x = 51,537.76 × 20,993.86
  4. Step 4: Simplify right side
    37,347.15x = 1,081,976,648.18
  5. Step 5: Solve for x
    x = 1,081,976,648.18/37,347.15
  6. Step 6: Final answer
    x = 28,970.79

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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.