Home / 32,808.16-45,279.32-20,726.24

Finding the Fourth Proportional to 32,808.16, 45,279.32 and 20,726.24

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Solution

The fourth proportional to 32,808.16, 45,279.32 and 20,726.24 is: 28,604.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,808.16 : 45,279.32 = 20,726.24 : x
  2. Step 2: Convert to fraction form
    32,808.16/45,279.32 = 20,726.24/x
  3. Step 3: Cross multiply
    32,808.16x = 45,279.32 × 20,726.24
  4. Step 4: Simplify right side
    32,808.16x = 938,470,053.36
  5. Step 5: Solve for x
    x = 938,470,053.36/32,808.16
  6. Step 6: Final answer
    x = 28,604.78

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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.