Home / 35,244.36-48,632.71-20,137.99

Finding the Fourth Proportional to 35,244.36, 48,632.71 and 20,137.99

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Solution

The fourth proportional to 35,244.36, 48,632.71 and 20,137.99 is: 27,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,244.36 : 48,632.71 = 20,137.99 : x
  2. Step 2: Convert to fraction form
    35,244.36/48,632.71 = 20,137.99/x
  3. Step 3: Cross multiply
    35,244.36x = 48,632.71 × 20,137.99
  4. Step 4: Simplify right side
    35,244.36x = 979,365,199.58
  5. Step 5: Solve for x
    x = 979,365,199.58/35,244.36
  6. Step 6: Final answer
    x = 27,787.86

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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.