Home / 32,021.80-48,000.30-18,867.40

Finding the Fourth Proportional to 32,021.80, 48,000.30 and 18,867.40

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Solution

The fourth proportional to 32,021.80, 48,000.30 and 18,867.40 is: 28,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,021.80 : 48,000.30 = 18,867.40 : x
  2. Step 2: Convert to fraction form
    32,021.80/48,000.30 = 18,867.40/x
  3. Step 3: Cross multiply
    32,021.80x = 48,000.30 × 18,867.40
  4. Step 4: Simplify right side
    32,021.80x = 905,640,860.22
  5. Step 5: Solve for x
    x = 905,640,860.22/32,021.80
  6. Step 6: Final answer
    x = 28,282.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.