Home / 32,880.54-45,377.91-20,133.66

Finding the Fourth Proportional to 32,880.54, 45,377.91 and 20,133.66

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Solution

The fourth proportional to 32,880.54, 45,377.91 and 20,133.66 is: 27,786.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,880.54 : 45,377.91 = 20,133.66 : x
  2. Step 2: Convert to fraction form
    32,880.54/45,377.91 = 20,133.66/x
  3. Step 3: Cross multiply
    32,880.54x = 45,377.91 × 20,133.66
  4. Step 4: Simplify right side
    32,880.54x = 913,623,411.45
  5. Step 5: Solve for x
    x = 913,623,411.45/32,880.54
  6. Step 6: Final answer
    x = 27,786.14

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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.