Home / 35,512.34-49,009.79-20,410.27

Finding the Fourth Proportional to 35,512.34, 49,009.79 and 20,410.27

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Solution

The fourth proportional to 35,512.34, 49,009.79 and 20,410.27 is: 28,167.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,512.34 : 49,009.79 = 20,410.27 : x
  2. Step 2: Convert to fraction form
    35,512.34/49,009.79 = 20,410.27/x
  3. Step 3: Cross multiply
    35,512.34x = 49,009.79 × 20,410.27
  4. Step 4: Simplify right side
    35,512.34x = 1,000,302,975.04
  5. Step 5: Solve for x
    x = 1,000,302,975.04/35,512.34
  6. Step 6: Final answer
    x = 28,167.76

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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.