Home / 32,790.36-45,246.42-18,642.90

Finding the Fourth Proportional to 32,790.36, 45,246.42 and 18,642.90

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Solution

The fourth proportional to 32,790.36, 45,246.42 and 18,642.90 is: 25,724.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,790.36 : 45,246.42 = 18,642.90 : x
  2. Step 2: Convert to fraction form
    32,790.36/45,246.42 = 18,642.90/x
  3. Step 3: Cross multiply
    32,790.36x = 45,246.42 × 18,642.90
  4. Step 4: Simplify right side
    32,790.36x = 843,524,483.42
  5. Step 5: Solve for x
    x = 843,524,483.42/32,790.36
  6. Step 6: Final answer
    x = 25,724.77

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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.