Home / 32,690.43-49,038.39-12,969.18

Finding the Fourth Proportional to 32,690.43, 49,038.39 and 12,969.18

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Solution

The fourth proportional to 32,690.43, 49,038.39 and 12,969.18 is: 19,454.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,690.43 : 49,038.39 = 12,969.18 : x
  2. Step 2: Convert to fraction form
    32,690.43/49,038.39 = 12,969.18/x
  3. Step 3: Cross multiply
    32,690.43x = 49,038.39 × 12,969.18
  4. Step 4: Simplify right side
    32,690.43x = 635,987,706.82
  5. Step 5: Solve for x
    x = 635,987,706.82/32,690.43
  6. Step 6: Final answer
    x = 19,454.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.