Home / 35,251.47-48,646.58-20,143.96

Finding the Fourth Proportional to 35,251.47, 48,646.58 and 20,143.96

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Solution

The fourth proportional to 35,251.47, 48,646.58 and 20,143.96 is: 27,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,251.47 : 48,646.58 = 20,143.96 : x
  2. Step 2: Convert to fraction form
    35,251.47/48,646.58 = 20,143.96/x
  3. Step 3: Cross multiply
    35,251.47x = 48,646.58 × 20,143.96
  4. Step 4: Simplify right side
    35,251.47x = 979,934,539.32
  5. Step 5: Solve for x
    x = 979,934,539.32/35,251.47
  6. Step 6: Final answer
    x = 27,798.40

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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.