Home / 34,081.14-47,031.45-18,973.77

Finding the Fourth Proportional to 34,081.14, 47,031.45 and 18,973.77

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Solution

The fourth proportional to 34,081.14, 47,031.45 and 18,973.77 is: 26,183.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,081.14 : 47,031.45 = 18,973.77 : x
  2. Step 2: Convert to fraction form
    34,081.14/47,031.45 = 18,973.77/x
  3. Step 3: Cross multiply
    34,081.14x = 47,031.45 × 18,973.77
  4. Step 4: Simplify right side
    34,081.14x = 892,363,915.07
  5. Step 5: Solve for x
    x = 892,363,915.07/34,081.14
  6. Step 6: Final answer
    x = 26,183.51

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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.