Home / 30,367.81-45,551.99-10,646.34

Finding the Fourth Proportional to 30,367.81, 45,551.99 and 10,646.34

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Solution

The fourth proportional to 30,367.81, 45,551.99 and 10,646.34 is: 15,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,367.81 : 45,551.99 = 10,646.34 : x
  2. Step 2: Convert to fraction form
    30,367.81/45,551.99 = 10,646.34/x
  3. Step 3: Cross multiply
    30,367.81x = 45,551.99 × 10,646.34
  4. Step 4: Simplify right side
    30,367.81x = 484,961,973.22
  5. Step 5: Solve for x
    x = 484,961,973.22/30,367.81
  6. Step 6: Final answer
    x = 15,969.61

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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.