Home / 30,247.80-45,376.47-8,062.95

Finding the Fourth Proportional to 30,247.80, 45,376.47 and 8,062.95

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Solution

The fourth proportional to 30,247.80, 45,376.47 and 8,062.95 is: 12,095.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.80 : 45,376.47 = 8,062.95 : x
  2. Step 2: Convert to fraction form
    30,247.80/45,376.47 = 8,062.95/x
  3. Step 3: Cross multiply
    30,247.80x = 45,376.47 × 8,062.95
  4. Step 4: Simplify right side
    30,247.80x = 365,868,208.79
  5. Step 5: Solve for x
    x = 365,868,208.79/30,247.80
  6. Step 6: Final answer
    x = 12,095.70

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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.