Home / 38,385.27-57,594.63-13,443.21

Finding the Fourth Proportional to 38,385.27, 57,594.63 and 13,443.21

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Solution

The fourth proportional to 38,385.27, 57,594.63 and 13,443.21 is: 20,170.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,385.27 : 57,594.63 = 13,443.21 : x
  2. Step 2: Convert to fraction form
    38,385.27/57,594.63 = 13,443.21/x
  3. Step 3: Cross multiply
    38,385.27x = 57,594.63 × 13,443.21
  4. Step 4: Simplify right side
    38,385.27x = 774,256,705.96
  5. Step 5: Solve for x
    x = 774,256,705.96/38,385.27
  6. Step 6: Final answer
    x = 20,170.67

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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.