Home / 35,559.09-49,073.04-20,451.76

Finding the Fourth Proportional to 35,559.09, 49,073.04 and 20,451.76

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Solution

The fourth proportional to 35,559.09, 49,073.04 and 20,451.76 is: 28,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,559.09 : 49,073.04 = 20,451.76 : x
  2. Step 2: Convert to fraction form
    35,559.09/49,073.04 = 20,451.76/x
  3. Step 3: Cross multiply
    35,559.09x = 49,073.04 × 20,451.76
  4. Step 4: Simplify right side
    35,559.09x = 1,003,629,688.93
  5. Step 5: Solve for x
    x = 1,003,629,688.93/35,559.09
  6. Step 6: Final answer
    x = 28,224.28

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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.