Home / 29,619.73-40,877.76-16,876.81

Finding the Fourth Proportional to 29,619.73, 40,877.76 and 16,876.81

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Solution

The fourth proportional to 29,619.73, 40,877.76 and 16,876.81 is: 23,291.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,619.73 : 40,877.76 = 16,876.81 : x
  2. Step 2: Convert to fraction form
    29,619.73/40,877.76 = 16,876.81/x
  3. Step 3: Cross multiply
    29,619.73x = 40,877.76 × 16,876.81
  4. Step 4: Simplify right side
    29,619.73x = 689,886,188.75
  5. Step 5: Solve for x
    x = 689,886,188.75/29,619.73
  6. Step 6: Final answer
    x = 23,291.44

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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.