Home / 30,009.41-45,042.37-15,228.93

Finding the Fourth Proportional to 30,009.41, 45,042.37 and 15,228.93

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Solution

The fourth proportional to 30,009.41, 45,042.37 and 15,228.93 is: 22,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,009.41 : 45,042.37 = 15,228.93 : x
  2. Step 2: Convert to fraction form
    30,009.41/45,042.37 = 15,228.93/x
  3. Step 3: Cross multiply
    30,009.41x = 45,042.37 × 15,228.93
  4. Step 4: Simplify right side
    30,009.41x = 685,947,230.60
  5. Step 5: Solve for x
    x = 685,947,230.60/30,009.41
  6. Step 6: Final answer
    x = 22,857.74

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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.