Home / 32,830.86-45,306.30-18,684.48

Finding the Fourth Proportional to 32,830.86, 45,306.30 and 18,684.48

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Solution

The fourth proportional to 32,830.86, 45,306.30 and 18,684.48 is: 25,784.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,830.86 : 45,306.30 = 18,684.48 : x
  2. Step 2: Convert to fraction form
    32,830.86/45,306.30 = 18,684.48/x
  3. Step 3: Cross multiply
    32,830.86x = 45,306.30 × 18,684.48
  4. Step 4: Simplify right side
    32,830.86x = 846,524,656.22
  5. Step 5: Solve for x
    x = 846,524,656.22/32,830.86
  6. Step 6: Final answer
    x = 25,784.42

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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.