Home / 39,533.90-59,300.77-12,879.85

Finding the Fourth Proportional to 39,533.90, 59,300.77 and 12,879.85

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Solution

The fourth proportional to 39,533.90, 59,300.77 and 12,879.85 is: 19,319.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,533.90 : 59,300.77 = 12,879.85 : x
  2. Step 2: Convert to fraction form
    39,533.90/59,300.77 = 12,879.85/x
  3. Step 3: Cross multiply
    39,533.90x = 59,300.77 × 12,879.85
  4. Step 4: Simplify right side
    39,533.90x = 763,785,064.41
  5. Step 5: Solve for x
    x = 763,785,064.41/39,533.90
  6. Step 6: Final answer
    x = 19,319.75

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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.