Home / 32,399.88-48,615.18-19,278.12

Finding the Fourth Proportional to 32,399.88, 48,615.18 and 19,278.12

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Solution

The fourth proportional to 32,399.88, 48,615.18 and 19,278.12 is: 28,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,399.88 : 48,615.18 = 19,278.12 : x
  2. Step 2: Convert to fraction form
    32,399.88/48,615.18 = 19,278.12/x
  3. Step 3: Cross multiply
    32,399.88x = 48,615.18 × 19,278.12
  4. Step 4: Simplify right side
    32,399.88x = 937,209,273.86
  5. Step 5: Solve for x
    x = 937,209,273.86/32,399.88
  6. Step 6: Final answer
    x = 28,926.32

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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.