Home / 34,071.35-47,018.09-18,963.77

Finding the Fourth Proportional to 34,071.35, 47,018.09 and 18,963.77

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Solution

The fourth proportional to 34,071.35, 47,018.09 and 18,963.77 is: 26,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,071.35 : 47,018.09 = 18,963.77 : x
  2. Step 2: Convert to fraction form
    34,071.35/47,018.09 = 18,963.77/x
  3. Step 3: Cross multiply
    34,071.35x = 47,018.09 × 18,963.77
  4. Step 4: Simplify right side
    34,071.35x = 891,639,914.69
  5. Step 5: Solve for x
    x = 891,639,914.69/34,071.35
  6. Step 6: Final answer
    x = 26,169.79

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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.