Home / 32,818.85-45,289.89-18,478.67

Finding the Fourth Proportional to 32,818.85, 45,289.89 and 18,478.67

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Solution

The fourth proportional to 32,818.85, 45,289.89 and 18,478.67 is: 25,500.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,818.85 : 45,289.89 = 18,478.67 : x
  2. Step 2: Convert to fraction form
    32,818.85/45,289.89 = 18,478.67/x
  3. Step 3: Cross multiply
    32,818.85x = 45,289.89 × 18,478.67
  4. Step 4: Simplify right side
    32,818.85x = 836,897,044.87
  5. Step 5: Solve for x
    x = 836,897,044.87/32,818.85
  6. Step 6: Final answer
    x = 25,500.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.