Home / 38,626.13-57,934.34-12,328.67

Finding the Fourth Proportional to 38,626.13, 57,934.34 and 12,328.67

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Solution

The fourth proportional to 38,626.13, 57,934.34 and 12,328.67 is: 18,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,626.13 : 57,934.34 = 12,328.67 : x
  2. Step 2: Convert to fraction form
    38,626.13/57,934.34 = 12,328.67/x
  3. Step 3: Cross multiply
    38,626.13x = 57,934.34 × 12,328.67
  4. Step 4: Simplify right side
    38,626.13x = 714,253,297.88
  5. Step 5: Solve for x
    x = 714,253,297.88/38,626.13
  6. Step 6: Final answer
    x = 18,491.45

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1.5x scale

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.