Home / 32,782.20-45,231.66-18,633.93

Finding the Fourth Proportional to 32,782.20, 45,231.66 and 18,633.93

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Solution

The fourth proportional to 32,782.20, 45,231.66 and 18,633.93 is: 25,710.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,782.20 : 45,231.66 = 18,633.93 : x
  2. Step 2: Convert to fraction form
    32,782.20/45,231.66 = 18,633.93/x
  3. Step 3: Cross multiply
    32,782.20x = 45,231.66 × 18,633.93
  4. Step 4: Simplify right side
    32,782.20x = 842,843,586.22
  5. Step 5: Solve for x
    x = 842,843,586.22/32,782.20
  6. Step 6: Final answer
    x = 25,710.40

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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.