Home / 38,014.81-52,458.31-21,018.06

Finding the Fourth Proportional to 38,014.81, 52,458.31 and 21,018.06

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Solution

The fourth proportional to 38,014.81, 52,458.31 and 21,018.06 is: 29,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,014.81 : 52,458.31 = 21,018.06 : x
  2. Step 2: Convert to fraction form
    38,014.81/52,458.31 = 21,018.06/x
  3. Step 3: Cross multiply
    38,014.81x = 52,458.31 × 21,018.06
  4. Step 4: Simplify right side
    38,014.81x = 1,102,571,907.08
  5. Step 5: Solve for x
    x = 1,102,571,907.08/38,014.81
  6. Step 6: Final answer
    x = 29,003.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.