Home / 38,905.50-58,361.91-30,150.21

Finding the Fourth Proportional to 38,905.50, 58,361.91 and 30,150.21

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Solution

The fourth proportional to 38,905.50, 58,361.91 and 30,150.21 is: 45,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,905.50 : 58,361.91 = 30,150.21 : x
  2. Step 2: Convert to fraction form
    38,905.50/58,361.91 = 30,150.21/x
  3. Step 3: Cross multiply
    38,905.50x = 58,361.91 × 30,150.21
  4. Step 4: Simplify right side
    38,905.50x = 1,759,623,842.50
  5. Step 5: Solve for x
    x = 1,759,623,842.50/38,905.50
  6. Step 6: Final answer
    x = 45,228.15

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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.