Home / 32,991.12-45,536.13-18,852.30

Finding the Fourth Proportional to 32,991.12, 45,536.13 and 18,852.30

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Solution

The fourth proportional to 32,991.12, 45,536.13 and 18,852.30 is: 26,020.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,991.12 : 45,536.13 = 18,852.30 : x
  2. Step 2: Convert to fraction form
    32,991.12/45,536.13 = 18,852.30/x
  3. Step 3: Cross multiply
    32,991.12x = 45,536.13 × 18,852.30
  4. Step 4: Simplify right side
    32,991.12x = 858,460,783.60
  5. Step 5: Solve for x
    x = 858,460,783.60/32,991.12
  6. Step 6: Final answer
    x = 26,020.97

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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.