Home / 43,453.18-59,934.41-39,879.66

Finding the Fourth Proportional to 43,453.18, 59,934.41 and 39,879.66

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Solution

The fourth proportional to 43,453.18, 59,934.41 and 39,879.66 is: 55,005.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,453.18 : 59,934.41 = 39,879.66 : x
  2. Step 2: Convert to fraction form
    43,453.18/59,934.41 = 39,879.66/x
  3. Step 3: Cross multiply
    43,453.18x = 59,934.41 × 39,879.66
  4. Step 4: Simplify right side
    43,453.18x = 2,390,163,893.10
  5. Step 5: Solve for x
    x = 2,390,163,893.10/43,453.18
  6. Step 6: Final answer
    x = 55,005.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.