Home / 30,083.06-45,097.80-14,278.34

Finding the Fourth Proportional to 30,083.06, 45,097.80 and 14,278.34

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Solution

The fourth proportional to 30,083.06, 45,097.80 and 14,278.34 is: 21,404.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,083.06 : 45,097.80 = 14,278.34 : x
  2. Step 2: Convert to fraction form
    30,083.06/45,097.80 = 14,278.34/x
  3. Step 3: Cross multiply
    30,083.06x = 45,097.80 × 14,278.34
  4. Step 4: Simplify right side
    30,083.06x = 643,921,780.85
  5. Step 5: Solve for x
    x = 643,921,780.85/30,083.06
  6. Step 6: Final answer
    x = 21,404.79

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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.