Home / 39,078.38-58,576.26-12,776.06

Finding the Fourth Proportional to 39,078.38, 58,576.26 and 12,776.06

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Solution

The fourth proportional to 39,078.38, 58,576.26 and 12,776.06 is: 19,150.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,078.38 : 58,576.26 = 12,776.06 : x
  2. Step 2: Convert to fraction form
    39,078.38/58,576.26 = 12,776.06/x
  3. Step 3: Cross multiply
    39,078.38x = 58,576.26 × 12,776.06
  4. Step 4: Simplify right side
    39,078.38x = 748,373,812.34
  5. Step 5: Solve for x
    x = 748,373,812.34/39,078.38
  6. Step 6: Final answer
    x = 19,150.58

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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.