Home / 34,138.76-47,109.96-19,033.08

Finding the Fourth Proportional to 34,138.76, 47,109.96 and 19,033.08

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Solution

The fourth proportional to 34,138.76, 47,109.96 and 19,033.08 is: 26,264.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,138.76 : 47,109.96 = 19,033.08 : x
  2. Step 2: Convert to fraction form
    34,138.76/47,109.96 = 19,033.08/x
  3. Step 3: Cross multiply
    34,138.76x = 47,109.96 × 19,033.08
  4. Step 4: Simplify right side
    34,138.76x = 896,647,637.48
  5. Step 5: Solve for x
    x = 896,647,637.48/34,138.76
  6. Step 6: Final answer
    x = 26,264.80

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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.