Home / 36,488.55-54,715.82-18,953.67

Finding the Fourth Proportional to 36,488.55, 54,715.82 and 18,953.67

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Solution

The fourth proportional to 36,488.55, 54,715.82 and 18,953.67 is: 28,421.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,488.55 : 54,715.82 = 18,953.67 : x
  2. Step 2: Convert to fraction form
    36,488.55/54,715.82 = 18,953.67/x
  3. Step 3: Cross multiply
    36,488.55x = 54,715.82 × 18,953.67
  4. Step 4: Simplify right side
    36,488.55x = 1,037,065,596.06
  5. Step 5: Solve for x
    x = 1,037,065,596.06/36,488.55
  6. Step 6: Final answer
    x = 28,421.67

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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.