Home / 37,783.92-52,143.06-20,790.12

Finding the Fourth Proportional to 37,783.92, 52,143.06 and 20,790.12

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Solution

The fourth proportional to 37,783.92, 52,143.06 and 20,790.12 is: 28,691.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,783.92 : 52,143.06 = 20,790.12 : x
  2. Step 2: Convert to fraction form
    37,783.92/52,143.06 = 20,790.12/x
  3. Step 3: Cross multiply
    37,783.92x = 52,143.06 × 20,790.12
  4. Step 4: Simplify right side
    37,783.92x = 1,084,060,474.57
  5. Step 5: Solve for x
    x = 1,084,060,474.57/37,783.92
  6. Step 6: Final answer
    x = 28,691.05

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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.