Home / 35,246.40-48,635.52-20,140.02

Finding the Fourth Proportional to 35,246.40, 48,635.52 and 20,140.02

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Solution

The fourth proportional to 35,246.40, 48,635.52 and 20,140.02 is: 27,790.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,246.40 : 48,635.52 = 20,140.02 : x
  2. Step 2: Convert to fraction form
    35,246.40/48,635.52 = 20,140.02/x
  3. Step 3: Cross multiply
    35,246.40x = 48,635.52 × 20,140.02
  4. Step 4: Simplify right side
    35,246.40x = 979,520,345.51
  5. Step 5: Solve for x
    x = 979,520,345.51/35,246.40
  6. Step 6: Final answer
    x = 27,790.65

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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.