Home / 35,622.87-49,148.94-20,515.13

Finding the Fourth Proportional to 35,622.87, 49,148.94 and 20,515.13

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Solution

The fourth proportional to 35,622.87, 49,148.94 and 20,515.13 is: 28,304.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,622.87 : 49,148.94 = 20,515.13 : x
  2. Step 2: Convert to fraction form
    35,622.87/49,148.94 = 20,515.13/x
  3. Step 3: Cross multiply
    35,622.87x = 49,148.94 × 20,515.13
  4. Step 4: Simplify right side
    35,622.87x = 1,008,296,893.46
  5. Step 5: Solve for x
    x = 1,008,296,893.46/35,622.87
  6. Step 6: Final answer
    x = 28,304.76

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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.