Home / 30,001.07-45,029.85-15,220.59

Finding the Fourth Proportional to 30,001.07, 45,029.85 and 15,220.59

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Solution

The fourth proportional to 30,001.07, 45,029.85 and 15,220.59 is: 22,845.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,001.07 : 45,029.85 = 15,220.59 : x
  2. Step 2: Convert to fraction form
    30,001.07/45,029.85 = 15,220.59/x
  3. Step 3: Cross multiply
    30,001.07x = 45,029.85 × 15,220.59
  4. Step 4: Simplify right side
    30,001.07x = 685,380,884.61
  5. Step 5: Solve for x
    x = 685,380,884.61/30,001.07
  6. Step 6: Final answer
    x = 22,845.22

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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.