Home / 34,775.49-47,989.69-18,859.62

Finding the Fourth Proportional to 34,775.49, 47,989.69 and 18,859.62

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Solution

The fourth proportional to 34,775.49, 47,989.69 and 18,859.62 is: 26,026.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,775.49 : 47,989.69 = 18,859.62 : x
  2. Step 2: Convert to fraction form
    34,775.49/47,989.69 = 18,859.62/x
  3. Step 3: Cross multiply
    34,775.49x = 47,989.69 × 18,859.62
  4. Step 4: Simplify right side
    34,775.49x = 905,067,317.32
  5. Step 5: Solve for x
    x = 905,067,317.32/34,775.49
  6. Step 6: Final answer
    x = 26,026.01

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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.