Home / 39,309.75-58,953.69-13,016.55

Finding the Fourth Proportional to 39,309.75, 58,953.69 and 13,016.55

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Solution

The fourth proportional to 39,309.75, 58,953.69 and 13,016.55 is: 19,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,309.75 : 58,953.69 = 13,016.55 : x
  2. Step 2: Convert to fraction form
    39,309.75/58,953.69 = 13,016.55/x
  3. Step 3: Cross multiply
    39,309.75x = 58,953.69 × 13,016.55
  4. Step 4: Simplify right side
    39,309.75x = 767,373,653.57
  5. Step 5: Solve for x
    x = 767,373,653.57/39,309.75
  6. Step 6: Final answer
    x = 19,521.20

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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.