Home / 38,378.52-52,958.25-21,379.48

Finding the Fourth Proportional to 38,378.52, 52,958.25 and 21,379.48

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Solution

The fourth proportional to 38,378.52, 52,958.25 and 21,379.48 is: 29,501.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,378.52 : 52,958.25 = 21,379.48 : x
  2. Step 2: Convert to fraction form
    38,378.52/52,958.25 = 21,379.48/x
  3. Step 3: Cross multiply
    38,378.52x = 52,958.25 × 21,379.48
  4. Step 4: Simplify right side
    38,378.52x = 1,132,219,846.71
  5. Step 5: Solve for x
    x = 1,132,219,846.71/38,378.52
  6. Step 6: Final answer
    x = 29,501.39

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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.