Home / 37,808.35-52,174.86-20,812.93

Finding the Fourth Proportional to 37,808.35, 52,174.86 and 20,812.93

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Solution

The fourth proportional to 37,808.35, 52,174.86 and 20,812.93 is: 28,721.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,808.35 : 52,174.86 = 20,812.93 : x
  2. Step 2: Convert to fraction form
    37,808.35/52,174.86 = 20,812.93/x
  3. Step 3: Cross multiply
    37,808.35x = 52,174.86 × 20,812.93
  4. Step 4: Simplify right side
    37,808.35x = 1,085,911,708.94
  5. Step 5: Solve for x
    x = 1,085,911,708.94/37,808.35
  6. Step 6: Final answer
    x = 28,721.48

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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.