Home / 32,858.31-45,343.94-18,518.17

Finding the Fourth Proportional to 32,858.31, 45,343.94 and 18,518.17

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Solution

The fourth proportional to 32,858.31, 45,343.94 and 18,518.17 is: 25,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,858.31 : 45,343.94 = 18,518.17 : x
  2. Step 2: Convert to fraction form
    32,858.31/45,343.94 = 18,518.17/x
  3. Step 3: Cross multiply
    32,858.31x = 45,343.94 × 18,518.17
  4. Step 4: Simplify right side
    32,858.31x = 839,686,661.70
  5. Step 5: Solve for x
    x = 839,686,661.70/32,858.31
  6. Step 6: Final answer
    x = 25,554.77

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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.