Home / 35,623.43-49,160.85-20,518.80

Finding the Fourth Proportional to 35,623.43, 49,160.85 and 20,518.80

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Solution

The fourth proportional to 35,623.43, 49,160.85 and 20,518.80 is: 28,316.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,623.43 : 49,160.85 = 20,518.80 : x
  2. Step 2: Convert to fraction form
    35,623.43/49,160.85 = 20,518.80/x
  3. Step 3: Cross multiply
    35,623.43x = 49,160.85 × 20,518.80
  4. Step 4: Simplify right side
    35,623.43x = 1,008,721,721.92
  5. Step 5: Solve for x
    x = 1,008,721,721.92/35,623.43
  6. Step 6: Final answer
    x = 28,316.24

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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.