Home / 39,801.78-59,704.29-13,506.75

Finding the Fourth Proportional to 39,801.78, 59,704.29 and 13,506.75

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Solution

The fourth proportional to 39,801.78, 59,704.29 and 13,506.75 is: 20,260.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.78 : 59,704.29 = 13,506.75 : x
  2. Step 2: Convert to fraction form
    39,801.78/59,704.29 = 13,506.75/x
  3. Step 3: Cross multiply
    39,801.78x = 59,704.29 × 13,506.75
  4. Step 4: Simplify right side
    39,801.78x = 806,410,918.96
  5. Step 5: Solve for x
    x = 806,410,918.96/39,801.78
  6. Step 6: Final answer
    x = 20,260.67

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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.