Home / 32,675.45-45,091.89-18,139.48

Finding the Fourth Proportional to 32,675.45, 45,091.89 and 18,139.48

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Solution

The fourth proportional to 32,675.45, 45,091.89 and 18,139.48 is: 25,032.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,675.45 : 45,091.89 = 18,139.48 : x
  2. Step 2: Convert to fraction form
    32,675.45/45,091.89 = 18,139.48/x
  3. Step 3: Cross multiply
    32,675.45x = 45,091.89 × 18,139.48
  4. Step 4: Simplify right side
    32,675.45x = 817,943,324.09
  5. Step 5: Solve for x
    x = 817,943,324.09/32,675.45
  6. Step 6: Final answer
    x = 25,032.35

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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.