Home / 39,833.60-59,787.36-20,126

Finding the Fourth Proportional to 39,833.60, 59,787.36 and 20,126

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Solution

The fourth proportional to 39,833.60, 59,787.36 and 20,126 is: 30,207.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,833.60 : 59,787.36 = 20,126 : x
  2. Step 2: Convert to fraction form
    39,833.60/59,787.36 = 20,126/x
  3. Step 3: Cross multiply
    39,833.60x = 59,787.36 × 20,126
  4. Step 4: Simplify right side
    39,833.60x = 1,203,280,407.36
  5. Step 5: Solve for x
    x = 1,203,280,407.36/39,833.60
  6. Step 6: Final answer
    x = 30,207.67

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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.