Home / 30,622.50-45,933.75-9,846

Finding the Fourth Proportional to 30,622.50, 45,933.75 and 9,846

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Solution

The fourth proportional to 30,622.50, 45,933.75 and 9,846 is: 14,769

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622.50 : 45,933.75 = 9,846 : x
  2. Step 2: Convert to fraction form
    30,622.50/45,933.75 = 9,846/x
  3. Step 3: Cross multiply
    30,622.50x = 45,933.75 × 9,846
  4. Step 4: Simplify right side
    30,622.50x = 452,263,702.50
  5. Step 5: Solve for x
    x = 452,263,702.50/30,622.50
  6. Step 6: Final answer
    x = 14,769

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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.