Home / 35,771.76-49,371.32-20,664.99

Finding the Fourth Proportional to 35,771.76, 49,371.32 and 20,664.99

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Solution

The fourth proportional to 35,771.76, 49,371.32 and 20,664.99 is: 28,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,771.76 : 49,371.32 = 20,664.99 : x
  2. Step 2: Convert to fraction form
    35,771.76/49,371.32 = 20,664.99/x
  3. Step 3: Cross multiply
    35,771.76x = 49,371.32 × 20,664.99
  4. Step 4: Simplify right side
    35,771.76x = 1,020,257,885.75
  5. Step 5: Solve for x
    x = 1,020,257,885.75/35,771.76
  6. Step 6: Final answer
    x = 28,521.32

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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.