Home / 36,421.65-50,262.81-20,506.67

Finding the Fourth Proportional to 36,421.65, 50,262.81 and 20,506.67

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Solution

The fourth proportional to 36,421.65, 50,262.81 and 20,506.67 is: 28,299.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,421.65 : 50,262.81 = 20,506.67 : x
  2. Step 2: Convert to fraction form
    36,421.65/50,262.81 = 20,506.67/x
  3. Step 3: Cross multiply
    36,421.65x = 50,262.81 × 20,506.67
  4. Step 4: Simplify right side
    36,421.65x = 1,030,722,606.63
  5. Step 5: Solve for x
    x = 1,030,722,606.63/36,421.65
  6. Step 6: Final answer
    x = 28,299.72

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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.