Home / 30,010.07-45,043.37-15,229.59

Finding the Fourth Proportional to 30,010.07, 45,043.37 and 15,229.59

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Solution

The fourth proportional to 30,010.07, 45,043.37 and 15,229.59 is: 22,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,010.07 : 45,043.37 = 15,229.59 : x
  2. Step 2: Convert to fraction form
    30,010.07/45,043.37 = 15,229.59/x
  3. Step 3: Cross multiply
    30,010.07x = 45,043.37 × 15,229.59
  4. Step 4: Simplify right side
    30,010.07x = 685,991,981.17
  5. Step 5: Solve for x
    x = 685,991,981.17/30,010.07
  6. Step 6: Final answer
    x = 22,858.73

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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.