Home / 35,622.42-49,156.47-20,511.54

Finding the Fourth Proportional to 35,622.42, 49,156.47 and 20,511.54

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Solution

The fourth proportional to 35,622.42, 49,156.47 and 20,511.54 is: 28,304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,622.42 : 49,156.47 = 20,511.54 : x
  2. Step 2: Convert to fraction form
    35,622.42/49,156.47 = 20,511.54/x
  3. Step 3: Cross multiply
    35,622.42x = 49,156.47 × 20,511.54
  4. Step 4: Simplify right side
    35,622.42x = 1,008,274,900.66
  5. Step 5: Solve for x
    x = 1,008,274,900.66/35,622.42
  6. Step 6: Final answer
    x = 28,304.50

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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.