Home / 32,633.90-45,030.81-18,290.43

Finding the Fourth Proportional to 32,633.90, 45,030.81 and 18,290.43

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Solution

The fourth proportional to 32,633.90, 45,030.81 and 18,290.43 is: 25,238.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,633.90 : 45,030.81 = 18,290.43 : x
  2. Step 2: Convert to fraction form
    32,633.90/45,030.81 = 18,290.43/x
  3. Step 3: Cross multiply
    32,633.90x = 45,030.81 × 18,290.43
  4. Step 4: Simplify right side
    32,633.90x = 823,632,878.15
  5. Step 5: Solve for x
    x = 823,632,878.15/32,633.90
  6. Step 6: Final answer
    x = 25,238.57

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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.