Home / 30,007.86-45,018.27-15,224.82

Finding the Fourth Proportional to 30,007.86, 45,018.27 and 15,224.82

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Solution

The fourth proportional to 30,007.86, 45,018.27 and 15,224.82 is: 22,840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,007.86 : 45,018.27 = 15,224.82 : x
  2. Step 2: Convert to fraction form
    30,007.86/45,018.27 = 15,224.82/x
  3. Step 3: Cross multiply
    30,007.86x = 45,018.27 × 15,224.82
  4. Step 4: Simplify right side
    30,007.86x = 685,395,057.46
  5. Step 5: Solve for x
    x = 685,395,057.46/30,007.86
  6. Step 6: Final answer
    x = 22,840.52

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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.