Home / 32,639.45-48,913.38-13,894.11

Finding the Fourth Proportional to 32,639.45, 48,913.38 and 13,894.11

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Solution

The fourth proportional to 32,639.45, 48,913.38 and 13,894.11 is: 20,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,639.45 : 48,913.38 = 13,894.11 : x
  2. Step 2: Convert to fraction form
    32,639.45/48,913.38 = 13,894.11/x
  3. Step 3: Cross multiply
    32,639.45x = 48,913.38 × 13,894.11
  4. Step 4: Simplify right side
    32,639.45x = 679,607,882.19
  5. Step 5: Solve for x
    x = 679,607,882.19/32,639.45
  6. Step 6: Final answer
    x = 20,821.67

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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.