Home / 38,193.42-57,228.57-20,671.50

Finding the Fourth Proportional to 38,193.42, 57,228.57 and 20,671.50

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Solution

The fourth proportional to 38,193.42, 57,228.57 and 20,671.50 is: 30,973.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,193.42 : 57,228.57 = 20,671.50 : x
  2. Step 2: Convert to fraction form
    38,193.42/57,228.57 = 20,671.50/x
  3. Step 3: Cross multiply
    38,193.42x = 57,228.57 × 20,671.50
  4. Step 4: Simplify right side
    38,193.42x = 1,183,000,384.76
  5. Step 5: Solve for x
    x = 1,183,000,384.76/38,193.42
  6. Step 6: Final answer
    x = 30,973.93

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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.