Home / 38,339.03-57,490.32-13,376.06

Finding the Fourth Proportional to 38,339.03, 57,490.32 and 13,376.06

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Solution

The fourth proportional to 38,339.03, 57,490.32 and 13,376.06 is: 20,057.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,339.03 : 57,490.32 = 13,376.06 : x
  2. Step 2: Convert to fraction form
    38,339.03/57,490.32 = 13,376.06/x
  3. Step 3: Cross multiply
    38,339.03x = 57,490.32 × 13,376.06
  4. Step 4: Simplify right side
    38,339.03x = 768,993,969.74
  5. Step 5: Solve for x
    x = 768,993,969.74/38,339.03
  6. Step 6: Final answer
    x = 20,057.73

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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.