Home / 30,170.09-45,196.27-19,750.25

Finding the Fourth Proportional to 30,170.09, 45,196.27 and 19,750.25

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Solution

The fourth proportional to 30,170.09, 45,196.27 and 19,750.25 is: 29,586.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.09 : 45,196.27 = 19,750.25 : x
  2. Step 2: Convert to fraction form
    30,170.09/45,196.27 = 19,750.25/x
  3. Step 3: Cross multiply
    30,170.09x = 45,196.27 × 19,750.25
  4. Step 4: Simplify right side
    30,170.09x = 892,637,631.57
  5. Step 5: Solve for x
    x = 892,637,631.57/30,170.09
  6. Step 6: Final answer
    x = 29,586.84

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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.