Home / 35,643.76-49,200.68-20,542.45

Finding the Fourth Proportional to 35,643.76, 49,200.68 and 20,542.45

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Solution

The fourth proportional to 35,643.76, 49,200.68 and 20,542.45 is: 28,355.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,643.76 : 49,200.68 = 20,542.45 : x
  2. Step 2: Convert to fraction form
    35,643.76/49,200.68 = 20,542.45/x
  3. Step 3: Cross multiply
    35,643.76x = 49,200.68 × 20,542.45
  4. Step 4: Simplify right side
    35,643.76x = 1,010,702,283.15
  5. Step 5: Solve for x
    x = 1,010,702,283.15/35,643.76
  6. Step 6: Final answer
    x = 28,355.66

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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.