Home / 30,762.25-46,076.35-20,220.37

Finding the Fourth Proportional to 30,762.25, 46,076.35 and 20,220.37

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Solution

The fourth proportional to 30,762.25, 46,076.35 and 20,220.37 is: 30,286.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,762.25 : 46,076.35 = 20,220.37 : x
  2. Step 2: Convert to fraction form
    30,762.25/46,076.35 = 20,220.37/x
  3. Step 3: Cross multiply
    30,762.25x = 46,076.35 × 20,220.37
  4. Step 4: Simplify right side
    30,762.25x = 931,680,564.32
  5. Step 5: Solve for x
    x = 931,680,564.32/30,762.25
  6. Step 6: Final answer
    x = 30,286.49

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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.