Home / 35,596.12-49,121.34-20,491.12

Finding the Fourth Proportional to 35,596.12, 49,121.34 and 20,491.12

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Solution

The fourth proportional to 35,596.12, 49,121.34 and 20,491.12 is: 28,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,596.12 : 49,121.34 = 20,491.12 : x
  2. Step 2: Convert to fraction form
    35,596.12/49,121.34 = 20,491.12/x
  3. Step 3: Cross multiply
    35,596.12x = 49,121.34 × 20,491.12
  4. Step 4: Simplify right side
    35,596.12x = 1,006,551,272.50
  5. Step 5: Solve for x
    x = 1,006,551,272.50/35,596.12
  6. Step 6: Final answer
    x = 28,276.99

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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.