Home / 39,119.64-58,679.28-11,039.64

Finding the Fourth Proportional to 39,119.64, 58,679.28 and 11,039.64

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Solution

The fourth proportional to 39,119.64, 58,679.28 and 11,039.64 is: 16,559.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,119.64 : 58,679.28 = 11,039.64 : x
  2. Step 2: Convert to fraction form
    39,119.64/58,679.28 = 11,039.64/x
  3. Step 3: Cross multiply
    39,119.64x = 58,679.28 × 11,039.64
  4. Step 4: Simplify right side
    39,119.64x = 647,798,126.66
  5. Step 5: Solve for x
    x = 647,798,126.66/39,119.64
  6. Step 6: Final answer
    x = 16,559.41

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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.