Home / 35,252.55-48,645.43-20,142.20

Finding the Fourth Proportional to 35,252.55, 48,645.43 and 20,142.20

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Solution

The fourth proportional to 35,252.55, 48,645.43 and 20,142.20 is: 27,794.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,252.55 : 48,645.43 = 20,142.20 : x
  2. Step 2: Convert to fraction form
    35,252.55/48,645.43 = 20,142.20/x
  3. Step 3: Cross multiply
    35,252.55x = 48,645.43 × 20,142.20
  4. Step 4: Simplify right side
    35,252.55x = 979,826,051.40
  5. Step 5: Solve for x
    x = 979,826,051.40/35,252.55
  6. Step 6: Final answer
    x = 27,794.47

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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.