Home / 38,352.06-57,509.82-13,389.06

Finding the Fourth Proportional to 38,352.06, 57,509.82 and 13,389.06

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Solution

The fourth proportional to 38,352.06, 57,509.82 and 13,389.06 is: 20,077.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,352.06 : 57,509.82 = 13,389.06 : x
  2. Step 2: Convert to fraction form
    38,352.06/57,509.82 = 13,389.06/x
  3. Step 3: Cross multiply
    38,352.06x = 57,509.82 × 13,389.06
  4. Step 4: Simplify right side
    38,352.06x = 770,002,430.57
  5. Step 5: Solve for x
    x = 770,002,430.57/38,352.06
  6. Step 6: Final answer
    x = 20,077.21

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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.