Home / 34,117.90-47,081.16-19,012.21

Finding the Fourth Proportional to 34,117.90, 47,081.16 and 19,012.21

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Solution

The fourth proportional to 34,117.90, 47,081.16 and 19,012.21 is: 26,235.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,117.90 : 47,081.16 = 19,012.21 : x
  2. Step 2: Convert to fraction form
    34,117.90/47,081.16 = 19,012.21/x
  3. Step 3: Cross multiply
    34,117.90x = 47,081.16 × 19,012.21
  4. Step 4: Simplify right side
    34,117.90x = 895,116,900.96
  5. Step 5: Solve for x
    x = 895,116,900.96/34,117.90
  6. Step 6: Final answer
    x = 26,235.99

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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.