Home / 34,069.32-47,021.28-19,919.42

Finding the Fourth Proportional to 34,069.32, 47,021.28 and 19,919.42

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Solution

The fourth proportional to 34,069.32, 47,021.28 and 19,919.42 is: 27,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,069.32 : 47,021.28 = 19,919.42 : x
  2. Step 2: Convert to fraction form
    34,069.32/47,021.28 = 19,919.42/x
  3. Step 3: Cross multiply
    34,069.32x = 47,021.28 × 19,919.42
  4. Step 4: Simplify right side
    34,069.32x = 936,636,625.26
  5. Step 5: Solve for x
    x = 936,636,625.26/34,069.32
  6. Step 6: Final answer
    x = 27,492.08

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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.