Home / 32,729.43-45,166.52-18,389.67

Finding the Fourth Proportional to 32,729.43, 45,166.52 and 18,389.67

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Solution

The fourth proportional to 32,729.43, 45,166.52 and 18,389.67 is: 25,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,729.43 : 45,166.52 = 18,389.67 : x
  2. Step 2: Convert to fraction form
    32,729.43/45,166.52 = 18,389.67/x
  3. Step 3: Cross multiply
    32,729.43x = 45,166.52 × 18,389.67
  4. Step 4: Simplify right side
    32,729.43x = 830,597,274.45
  5. Step 5: Solve for x
    x = 830,597,274.45/32,729.43
  6. Step 6: Final answer
    x = 25,377.69

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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.