Home / 30,202.18-45,299.75-8,017.28

Finding the Fourth Proportional to 30,202.18, 45,299.75 and 8,017.28

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Solution

The fourth proportional to 30,202.18, 45,299.75 and 8,017.28 is: 12,024.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,202.18 : 45,299.75 = 8,017.28 : x
  2. Step 2: Convert to fraction form
    30,202.18/45,299.75 = 8,017.28/x
  3. Step 3: Cross multiply
    30,202.18x = 45,299.75 × 8,017.28
  4. Step 4: Simplify right side
    30,202.18x = 363,180,779.68
  5. Step 5: Solve for x
    x = 363,180,779.68/30,202.18
  6. Step 6: Final answer
    x = 12,024.99

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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.