Home / 30,018.52-41,415.60-18,077.32

Finding the Fourth Proportional to 30,018.52, 41,415.60 and 18,077.32

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Solution

The fourth proportional to 30,018.52, 41,415.60 and 18,077.32 is: 24,940.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,018.52 : 41,415.60 = 18,077.32 : x
  2. Step 2: Convert to fraction form
    30,018.52/41,415.60 = 18,077.32/x
  3. Step 3: Cross multiply
    30,018.52x = 41,415.60 × 18,077.32
  4. Step 4: Simplify right side
    30,018.52x = 748,683,054.19
  5. Step 5: Solve for x
    x = 748,683,054.19/30,018.52
  6. Step 6: Final answer
    x = 24,940.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.