Home / 32,647.86-48,935.34-12,911.40

Finding the Fourth Proportional to 32,647.86, 48,935.34 and 12,911.40

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Solution

The fourth proportional to 32,647.86, 48,935.34 and 12,911.40 is: 19,352.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,647.86 : 48,935.34 = 12,911.40 : x
  2. Step 2: Convert to fraction form
    32,647.86/48,935.34 = 12,911.40/x
  3. Step 3: Cross multiply
    32,647.86x = 48,935.34 × 12,911.40
  4. Step 4: Simplify right side
    32,647.86x = 631,823,748.88
  5. Step 5: Solve for x
    x = 631,823,748.88/32,647.86
  6. Step 6: Final answer
    x = 19,352.68

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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.