Home / 32,863.68-45,345.60-20,292.48

Finding the Fourth Proportional to 32,863.68, 45,345.60 and 20,292.48

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Solution

The fourth proportional to 32,863.68, 45,345.60 and 20,292.48 is: 27,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,863.68 : 45,345.60 = 20,292.48 : x
  2. Step 2: Convert to fraction form
    32,863.68/45,345.60 = 20,292.48/x
  3. Step 3: Cross multiply
    32,863.68x = 45,345.60 × 20,292.48
  4. Step 4: Simplify right side
    32,863.68x = 920,174,681.09
  5. Step 5: Solve for x
    x = 920,174,681.09/32,863.68
  6. Step 6: Final answer
    x = 27,999.75

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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.