Home / 30,378.18-45,580.23-14,791.62

Finding the Fourth Proportional to 30,378.18, 45,580.23 and 14,791.62

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Solution

The fourth proportional to 30,378.18, 45,580.23 and 14,791.62 is: 22,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,378.18 : 45,580.23 = 14,791.62 : x
  2. Step 2: Convert to fraction form
    30,378.18/45,580.23 = 14,791.62/x
  3. Step 3: Cross multiply
    30,378.18x = 45,580.23 × 14,791.62
  4. Step 4: Simplify right side
    30,378.18x = 674,205,441.67
  5. Step 5: Solve for x
    x = 674,205,441.67/30,378.18
  6. Step 6: Final answer
    x = 22,193.74

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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.