Home / 39,371.40-59,019.30-13,062.60

Finding the Fourth Proportional to 39,371.40, 59,019.30 and 13,062.60

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Solution

The fourth proportional to 39,371.40, 59,019.30 and 13,062.60 is: 19,581.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,371.40 : 59,019.30 = 13,062.60 : x
  2. Step 2: Convert to fraction form
    39,371.40/59,019.30 = 13,062.60/x
  3. Step 3: Cross multiply
    39,371.40x = 59,019.30 × 13,062.60
  4. Step 4: Simplify right side
    39,371.40x = 770,945,508.18
  5. Step 5: Solve for x
    x = 770,945,508.18/39,371.40
  6. Step 6: Final answer
    x = 19,581.36

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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.