Home / 32,939.60-45,456.48-18,792.32

Finding the Fourth Proportional to 32,939.60, 45,456.48 and 18,792.32

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Solution

The fourth proportional to 32,939.60, 45,456.48 and 18,792.32 is: 25,933.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,939.60 : 45,456.48 = 18,792.32 : x
  2. Step 2: Convert to fraction form
    32,939.60/45,456.48 = 18,792.32/x
  3. Step 3: Cross multiply
    32,939.60x = 45,456.48 × 18,792.32
  4. Step 4: Simplify right side
    32,939.60x = 854,232,718.23
  5. Step 5: Solve for x
    x = 854,232,718.23/32,939.60
  6. Step 6: Final answer
    x = 25,933.31

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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.