Home / 39,147.57-58,708.94-12,846.20

Finding the Fourth Proportional to 39,147.57, 58,708.94 and 12,846.20

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Solution

The fourth proportional to 39,147.57, 58,708.94 and 12,846.20 is: 19,265.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,147.57 : 58,708.94 = 12,846.20 : x
  2. Step 2: Convert to fraction form
    39,147.57/58,708.94 = 12,846.20/x
  3. Step 3: Cross multiply
    39,147.57x = 58,708.94 × 12,846.20
  4. Step 4: Simplify right side
    39,147.57x = 754,186,427.25
  5. Step 5: Solve for x
    x = 754,186,427.25/39,147.57
  6. Step 6: Final answer
    x = 19,265.22

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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.