Home / 35,254.17-48,647.59-20,146.79

Finding the Fourth Proportional to 35,254.17, 48,647.59 and 20,146.79

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Solution

The fourth proportional to 35,254.17, 48,647.59 and 20,146.79 is: 27,800.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,254.17 : 48,647.59 = 20,146.79 : x
  2. Step 2: Convert to fraction form
    35,254.17/48,647.59 = 20,146.79/x
  3. Step 3: Cross multiply
    35,254.17x = 48,647.59 × 20,146.79
  4. Step 4: Simplify right side
    35,254.17x = 980,092,850.99
  5. Step 5: Solve for x
    x = 980,092,850.99/35,254.17
  6. Step 6: Final answer
    x = 27,800.76

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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.