Home / 30,224.50-45,341.66-9,159.61

Finding the Fourth Proportional to 30,224.50, 45,341.66 and 9,159.61

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Solution

The fourth proportional to 30,224.50, 45,341.66 and 9,159.61 is: 13,740.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,224.50 : 45,341.66 = 9,159.61 : x
  2. Step 2: Convert to fraction form
    30,224.50/45,341.66 = 9,159.61/x
  3. Step 3: Cross multiply
    30,224.50x = 45,341.66 × 9,159.61
  4. Step 4: Simplify right side
    30,224.50x = 415,311,763.20
  5. Step 5: Solve for x
    x = 415,311,763.20/30,224.50
  6. Step 6: Final answer
    x = 13,740.90

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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.