Home / 35,557.52-49,072.32-20,455.16

Finding the Fourth Proportional to 35,557.52, 49,072.32 and 20,455.16

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Solution

The fourth proportional to 35,557.52, 49,072.32 and 20,455.16 is: 28,229.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,557.52 : 49,072.32 = 20,455.16 : x
  2. Step 2: Convert to fraction form
    35,557.52/49,072.32 = 20,455.16/x
  3. Step 3: Cross multiply
    35,557.52x = 49,072.32 × 20,455.16
  4. Step 4: Simplify right side
    35,557.52x = 1,003,782,157.17
  5. Step 5: Solve for x
    x = 1,003,782,157.17/35,557.52
  6. Step 6: Final answer
    x = 28,229.81

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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.