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Finding the Fourth Proportional to 30,041.40, 45,065.52 and 8,982.62

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Solution

The fourth proportional to 30,041.40, 45,065.52 and 8,982.62 is: 13,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,041.40 : 45,065.52 = 8,982.62 : x
  2. Step 2: Convert to fraction form
    30,041.40/45,065.52 = 8,982.62/x
  3. Step 3: Cross multiply
    30,041.40x = 45,065.52 × 8,982.62
  4. Step 4: Simplify right side
    30,041.40x = 404,806,441.26
  5. Step 5: Solve for x
    x = 404,806,441.26/30,041.40
  6. Step 6: Final answer
    x = 13,474.95

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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.