Home / 35,936.90-49,589.12-20,834.30

Finding the Fourth Proportional to 35,936.90, 49,589.12 and 20,834.30

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Solution

The fourth proportional to 35,936.90, 49,589.12 and 20,834.30 is: 28,749.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,936.90 : 49,589.12 = 20,834.30 : x
  2. Step 2: Convert to fraction form
    35,936.90/49,589.12 = 20,834.30/x
  3. Step 3: Cross multiply
    35,936.90x = 49,589.12 × 20,834.30
  4. Step 4: Simplify right side
    35,936.90x = 1,033,154,602.82
  5. Step 5: Solve for x
    x = 1,033,154,602.82/35,936.90
  6. Step 6: Final answer
    x = 28,749.13

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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.