Home / 30,683.12-45,999.60-15,896.32

Finding the Fourth Proportional to 30,683.12, 45,999.60 and 15,896.32

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Solution

The fourth proportional to 30,683.12, 45,999.60 and 15,896.32 is: 23,831.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,683.12 : 45,999.60 = 15,896.32 : x
  2. Step 2: Convert to fraction form
    30,683.12/45,999.60 = 15,896.32/x
  3. Step 3: Cross multiply
    30,683.12x = 45,999.60 × 15,896.32
  4. Step 4: Simplify right side
    30,683.12x = 731,224,361.47
  5. Step 5: Solve for x
    x = 731,224,361.47/30,683.12
  6. Step 6: Final answer
    x = 23,831.49

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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.