Home / 38,513.34-57,770.96-12,218.31

Finding the Fourth Proportional to 38,513.34, 57,770.96 and 12,218.31

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Solution

The fourth proportional to 38,513.34, 57,770.96 and 12,218.31 is: 18,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,513.34 : 57,770.96 = 12,218.31 : x
  2. Step 2: Convert to fraction form
    38,513.34/57,770.96 = 12,218.31/x
  3. Step 3: Cross multiply
    38,513.34x = 57,770.96 × 12,218.31
  4. Step 4: Simplify right side
    38,513.34x = 705,863,437.19
  5. Step 5: Solve for x
    x = 705,863,437.19/38,513.34
  6. Step 6: Final answer
    x = 18,327.76

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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.