Home / 32,137.64-48,201.70-18,816.78

Finding the Fourth Proportional to 32,137.64, 48,201.70 and 18,816.78

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Solution

The fourth proportional to 32,137.64, 48,201.70 and 18,816.78 is: 28,222.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,137.64 : 48,201.70 = 18,816.78 : x
  2. Step 2: Convert to fraction form
    32,137.64/48,201.70 = 18,816.78/x
  3. Step 3: Cross multiply
    32,137.64x = 48,201.70 × 18,816.78
  4. Step 4: Simplify right side
    32,137.64x = 907,000,784.53
  5. Step 5: Solve for x
    x = 907,000,784.53/32,137.64
  6. Step 6: Final answer
    x = 28,222.38

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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.