Home / 35,548.05-49,059.21-20,445.60

Finding the Fourth Proportional to 35,548.05, 49,059.21 and 20,445.60

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Solution

The fourth proportional to 35,548.05, 49,059.21 and 20,445.60 is: 28,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,548.05 : 49,059.21 = 20,445.60 : x
  2. Step 2: Convert to fraction form
    35,548.05/49,059.21 = 20,445.60/x
  3. Step 3: Cross multiply
    35,548.05x = 49,059.21 × 20,445.60
  4. Step 4: Simplify right side
    35,548.05x = 1,003,044,983.98
  5. Step 5: Solve for x
    x = 1,003,044,983.98/35,548.05
  6. Step 6: Final answer
    x = 28,216.60

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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.