Home / 39,170.09-58,775.39-19,448.21

Finding the Fourth Proportional to 39,170.09, 58,775.39 and 19,448.21

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Solution

The fourth proportional to 39,170.09, 58,775.39 and 19,448.21 is: 29,182.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,170.09 : 58,775.39 = 19,448.21 : x
  2. Step 2: Convert to fraction form
    39,170.09/58,775.39 = 19,448.21/x
  3. Step 3: Cross multiply
    39,170.09x = 58,775.39 × 19,448.21
  4. Step 4: Simplify right side
    39,170.09x = 1,143,076,127.55
  5. Step 5: Solve for x
    x = 1,143,076,127.55/39,170.09
  6. Step 6: Final answer
    x = 29,182.37

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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.