Home / 57,780.95-86,514.96-30,020.63

Finding the Fourth Proportional to 57,780.95, 86,514.96 and 30,020.63

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Solution

The fourth proportional to 57,780.95, 86,514.96 and 30,020.63 is: 44,949.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,780.95 : 86,514.96 = 30,020.63 : x
  2. Step 2: Convert to fraction form
    57,780.95/86,514.96 = 30,020.63/x
  3. Step 3: Cross multiply
    57,780.95x = 86,514.96 × 30,020.63
  4. Step 4: Simplify right side
    57,780.95x = 2,597,233,603.62
  5. Step 5: Solve for x
    x = 2,597,233,603.62/57,780.95
  6. Step 6: Final answer
    x = 44,949.65

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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.