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Finding the Fourth Proportional to 35,137.95, 48,493.00 and 20,030.97

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Solution

The fourth proportional to 35,137.95, 48,493.00 and 20,030.97 is: 27,644.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,137.95 : 48,493.00 = 20,030.97 : x
  2. Step 2: Convert to fraction form
    35,137.95/48,493.00 = 20,030.97/x
  3. Step 3: Cross multiply
    35,137.95x = 48,493.00 × 20,030.97
  4. Step 4: Simplify right side
    35,137.95x = 971,361,485.59
  5. Step 5: Solve for x
    x = 971,361,485.59/35,137.95
  6. Step 6: Final answer
    x = 27,644.23

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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.