Home / 35,346.09-48,777.72-20,238.99

Finding the Fourth Proportional to 35,346.09, 48,777.72 and 20,238.99

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Solution

The fourth proportional to 35,346.09, 48,777.72 and 20,238.99 is: 27,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,346.09 : 48,777.72 = 20,238.99 : x
  2. Step 2: Convert to fraction form
    35,346.09/48,777.72 = 20,238.99/x
  3. Step 3: Cross multiply
    35,346.09x = 48,777.72 × 20,238.99
  4. Step 4: Simplify right side
    35,346.09x = 987,211,787.30
  5. Step 5: Solve for x
    x = 987,211,787.30/35,346.09
  6. Step 6: Final answer
    x = 27,929.87

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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.