Home / 39,149.21-58,674.60-28,077.50

Finding the Fourth Proportional to 39,149.21, 58,674.60 and 28,077.50

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Solution

The fourth proportional to 39,149.21, 58,674.60 and 28,077.50 is: 42,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149.21 : 58,674.60 = 28,077.50 : x
  2. Step 2: Convert to fraction form
    39,149.21/58,674.60 = 28,077.50/x
  3. Step 3: Cross multiply
    39,149.21x = 58,674.60 × 28,077.50
  4. Step 4: Simplify right side
    39,149.21x = 1,647,435,788.13
  5. Step 5: Solve for x
    x = 1,647,435,788.13/39,149.21
  6. Step 6: Final answer
    x = 42,080.95

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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.