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Finding the Fourth Proportional to 30,647.40, 45,960.30 and 10,926.60

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Solution

The fourth proportional to 30,647.40, 45,960.30 and 10,926.60 is: 16,386.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,647.40 : 45,960.30 = 10,926.60 : x
  2. Step 2: Convert to fraction form
    30,647.40/45,960.30 = 10,926.60/x
  3. Step 3: Cross multiply
    30,647.40x = 45,960.30 × 10,926.60
  4. Step 4: Simplify right side
    30,647.40x = 502,189,813.98
  5. Step 5: Solve for x
    x = 502,189,813.98/30,647.40
  6. Step 6: Final answer
    x = 16,386.05

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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.