Home / 30,709.14-46,062.09-15,121.50

Finding the Fourth Proportional to 30,709.14, 46,062.09 and 15,121.50

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Solution

The fourth proportional to 30,709.14, 46,062.09 and 15,121.50 is: 22,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,709.14 : 46,062.09 = 15,121.50 : x
  2. Step 2: Convert to fraction form
    30,709.14/46,062.09 = 15,121.50/x
  3. Step 3: Cross multiply
    30,709.14x = 46,062.09 × 15,121.50
  4. Step 4: Simplify right side
    30,709.14x = 696,527,893.94
  5. Step 5: Solve for x
    x = 696,527,893.94/30,709.14
  6. Step 6: Final answer
    x = 22,681.45

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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.