Home / 32,828.50-45,287.13-20,723.59

Finding the Fourth Proportional to 32,828.50, 45,287.13 and 20,723.59

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Solution

The fourth proportional to 32,828.50, 45,287.13 and 20,723.59 is: 28,588.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,828.50 : 45,287.13 = 20,723.59 : x
  2. Step 2: Convert to fraction form
    32,828.50/45,287.13 = 20,723.59/x
  3. Step 3: Cross multiply
    32,828.50x = 45,287.13 × 20,723.59
  4. Step 4: Simplify right side
    32,828.50x = 938,511,914.40
  5. Step 5: Solve for x
    x = 938,511,914.40/32,828.50
  6. Step 6: Final answer
    x = 28,588.33

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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.