Home / 32,740.59-45,171.02-19,989.17

Finding the Fourth Proportional to 32,740.59, 45,171.02 and 19,989.17

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Solution

The fourth proportional to 32,740.59, 45,171.02 and 19,989.17 is: 27,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,740.59 : 45,171.02 = 19,989.17 : x
  2. Step 2: Convert to fraction form
    32,740.59/45,171.02 = 19,989.17/x
  3. Step 3: Cross multiply
    32,740.59x = 45,171.02 × 19,989.17
  4. Step 4: Simplify right side
    32,740.59x = 902,930,872.05
  5. Step 5: Solve for x
    x = 902,930,872.05/32,740.59
  6. Step 6: Final answer
    x = 27,578.33

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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.