Home / 35,396.05-48,840.95-20,285.80

Finding the Fourth Proportional to 35,396.05, 48,840.95 and 20,285.80

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Solution

The fourth proportional to 35,396.05, 48,840.95 and 20,285.80 is: 27,991.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,396.05 : 48,840.95 = 20,285.80 : x
  2. Step 2: Convert to fraction form
    35,396.05/48,840.95 = 20,285.80/x
  3. Step 3: Cross multiply
    35,396.05x = 48,840.95 × 20,285.80
  4. Step 4: Simplify right side
    35,396.05x = 990,777,397.88
  5. Step 5: Solve for x
    x = 990,777,397.88/35,396.05
  6. Step 6: Final answer
    x = 27,991.19

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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.