Home / 38,879.49-53,655.40-21,884.83

Finding the Fourth Proportional to 38,879.49, 53,655.40 and 21,884.83

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Solution

The fourth proportional to 38,879.49, 53,655.40 and 21,884.83 is: 30,202.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,879.49 : 53,655.40 = 21,884.83 : x
  2. Step 2: Convert to fraction form
    38,879.49/53,655.40 = 21,884.83/x
  3. Step 3: Cross multiply
    38,879.49x = 53,655.40 × 21,884.83
  4. Step 4: Simplify right side
    38,879.49x = 1,174,238,929.88
  5. Step 5: Solve for x
    x = 1,174,238,929.88/38,879.49
  6. Step 6: Final answer
    x = 30,202.02

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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.