Home / 30,170.10-45,196.28-19,750.26

Finding the Fourth Proportional to 30,170.10, 45,196.28 and 19,750.26

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Solution

The fourth proportional to 30,170.10, 45,196.28 and 19,750.26 is: 29,586.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.10 : 45,196.28 = 19,750.26 : x
  2. Step 2: Convert to fraction form
    30,170.10/45,196.28 = 19,750.26/x
  3. Step 3: Cross multiply
    30,170.10x = 45,196.28 × 19,750.26
  4. Step 4: Simplify right side
    30,170.10x = 892,638,281.03
  5. Step 5: Solve for x
    x = 892,638,281.03/30,170.10
  6. Step 6: Final answer
    x = 29,586.85

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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.