Home / 31,990.52-48,000.36-16,419.08

Finding the Fourth Proportional to 31,990.52, 48,000.36 and 16,419.08

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Solution

The fourth proportional to 31,990.52, 48,000.36 and 16,419.08 is: 24,636.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,990.52 : 48,000.36 = 16,419.08 : x
  2. Step 2: Convert to fraction form
    31,990.52/48,000.36 = 16,419.08/x
  3. Step 3: Cross multiply
    31,990.52x = 48,000.36 × 16,419.08
  4. Step 4: Simplify right side
    31,990.52x = 788,121,750.87
  5. Step 5: Solve for x
    x = 788,121,750.87/31,990.52
  6. Step 6: Final answer
    x = 24,636.10

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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.