Home / 49,869.29-74,782.03-18,682.67

Finding the Fourth Proportional to 49,869.29, 74,782.03 and 18,682.67

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Solution

The fourth proportional to 49,869.29, 74,782.03 and 18,682.67 is: 28,015.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,869.29 : 74,782.03 = 18,682.67 : x
  2. Step 2: Convert to fraction form
    49,869.29/74,782.03 = 18,682.67/x
  3. Step 3: Cross multiply
    49,869.29x = 74,782.03 × 18,682.67
  4. Step 4: Simplify right side
    49,869.29x = 1,397,127,988.42
  5. Step 5: Solve for x
    x = 1,397,127,988.42/49,869.29
  6. Step 6: Final answer
    x = 28,015.80

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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.