Home / 32,976.58-45,509.91-18,631.43

Finding the Fourth Proportional to 32,976.58, 45,509.91 and 18,631.43

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Solution

The fourth proportional to 32,976.58, 45,509.91 and 18,631.43 is: 25,712.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,976.58 : 45,509.91 = 18,631.43 : x
  2. Step 2: Convert to fraction form
    32,976.58/45,509.91 = 18,631.43/x
  3. Step 3: Cross multiply
    32,976.58x = 45,509.91 × 18,631.43
  4. Step 4: Simplify right side
    32,976.58x = 847,914,702.47
  5. Step 5: Solve for x
    x = 847,914,702.47/32,976.58
  6. Step 6: Final answer
    x = 25,712.63

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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.