Home / 32,939.04-45,464.40-20,196.48

Finding the Fourth Proportional to 32,939.04, 45,464.40 and 20,196.48

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Solution

The fourth proportional to 32,939.04, 45,464.40 and 20,196.48 is: 27,876.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,939.04 : 45,464.40 = 20,196.48 : x
  2. Step 2: Convert to fraction form
    32,939.04/45,464.40 = 20,196.48/x
  3. Step 3: Cross multiply
    32,939.04x = 45,464.40 × 20,196.48
  4. Step 4: Simplify right side
    32,939.04x = 918,220,845.31
  5. Step 5: Solve for x
    x = 918,220,845.31/32,939.04
  6. Step 6: Final answer
    x = 27,876.37

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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.