Home / 39,257.21-58,843.03-19,280.45

Finding the Fourth Proportional to 39,257.21, 58,843.03 and 19,280.45

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Solution

The fourth proportional to 39,257.21, 58,843.03 and 19,280.45 is: 28,899.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,257.21 : 58,843.03 = 19,280.45 : x
  2. Step 2: Convert to fraction form
    39,257.21/58,843.03 = 19,280.45/x
  3. Step 3: Cross multiply
    39,257.21x = 58,843.03 × 19,280.45
  4. Step 4: Simplify right side
    39,257.21x = 1,134,520,097.76
  5. Step 5: Solve for x
    x = 1,134,520,097.76/39,257.21
  6. Step 6: Final answer
    x = 28,899.66

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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.