Home / 30,230.70-45,328.05-18,552.30

Finding the Fourth Proportional to 30,230.70, 45,328.05 and 18,552.30

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Solution

The fourth proportional to 30,230.70, 45,328.05 and 18,552.30 is: 27,817.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,230.70 : 45,328.05 = 18,552.30 : x
  2. Step 2: Convert to fraction form
    30,230.70/45,328.05 = 18,552.30/x
  3. Step 3: Cross multiply
    30,230.70x = 45,328.05 × 18,552.30
  4. Step 4: Simplify right side
    30,230.70x = 840,939,582.02
  5. Step 5: Solve for x
    x = 840,939,582.02/30,230.70
  6. Step 6: Final answer
    x = 27,817.40

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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.