Home / 30,285.32-45,433.64-10,563.44

Finding the Fourth Proportional to 30,285.32, 45,433.64 and 10,563.44

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Solution

The fourth proportional to 30,285.32, 45,433.64 and 10,563.44 is: 15,847.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,285.32 : 45,433.64 = 10,563.44 : x
  2. Step 2: Convert to fraction form
    30,285.32/45,433.64 = 10,563.44/x
  3. Step 3: Cross multiply
    30,285.32x = 45,433.64 × 10,563.44
  4. Step 4: Simplify right side
    30,285.32x = 479,935,329.36
  5. Step 5: Solve for x
    x = 479,935,329.36/30,285.32
  6. Step 6: Final answer
    x = 15,847.13

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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.