Home / 39,297.20-58,956.66-13,020.39

Finding the Fourth Proportional to 39,297.20, 58,956.66 and 13,020.39

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Solution

The fourth proportional to 39,297.20, 58,956.66 and 13,020.39 is: 19,534.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,297.20 : 58,956.66 = 13,020.39 : x
  2. Step 2: Convert to fraction form
    39,297.20/58,956.66 = 13,020.39/x
  3. Step 3: Cross multiply
    39,297.20x = 58,956.66 × 13,020.39
  4. Step 4: Simplify right side
    39,297.20x = 767,638,706.30
  5. Step 5: Solve for x
    x = 767,638,706.30/39,297.20
  6. Step 6: Final answer
    x = 19,534.19

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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.