Home / 32,630.15-45,029.99-19,881.65

Finding the Fourth Proportional to 32,630.15, 45,029.99 and 19,881.65

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Solution

The fourth proportional to 32,630.15, 45,029.99 and 19,881.65 is: 27,436.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,630.15 : 45,029.99 = 19,881.65 : x
  2. Step 2: Convert to fraction form
    32,630.15/45,029.99 = 19,881.65/x
  3. Step 3: Cross multiply
    32,630.15x = 45,029.99 × 19,881.65
  4. Step 4: Simplify right side
    32,630.15x = 895,270,579.09
  5. Step 5: Solve for x
    x = 895,270,579.09/32,630.15
  6. Step 6: Final answer
    x = 27,436.91

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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.