Home / 32,991.48-45,524.16-21,061.80

Finding the Fourth Proportional to 32,991.48, 45,524.16 and 21,061.80

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Solution

The fourth proportional to 32,991.48, 45,524.16 and 21,061.80 is: 29,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,991.48 : 45,524.16 = 21,061.80 : x
  2. Step 2: Convert to fraction form
    32,991.48/45,524.16 = 21,061.80/x
  3. Step 3: Cross multiply
    32,991.48x = 45,524.16 × 21,061.80
  4. Step 4: Simplify right side
    32,991.48x = 958,820,753.09
  5. Step 5: Solve for x
    x = 958,820,753.09/32,991.48
  6. Step 6: Final answer
    x = 29,062.68

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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.