Home / 30,003.18-44,970.48-18,763.62

Finding the Fourth Proportional to 30,003.18, 44,970.48 and 18,763.62

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Solution

The fourth proportional to 30,003.18, 44,970.48 and 18,763.62 is: 28,123.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.18 : 44,970.48 = 18,763.62 : x
  2. Step 2: Convert to fraction form
    30,003.18/44,970.48 = 18,763.62/x
  3. Step 3: Cross multiply
    30,003.18x = 44,970.48 × 18,763.62
  4. Step 4: Simplify right side
    30,003.18x = 843,808,997.94
  5. Step 5: Solve for x
    x = 843,808,997.94/30,003.18
  6. Step 6: Final answer
    x = 28,123.99

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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.