Home / 29,172.96-40,260.24-16,601.76

Finding the Fourth Proportional to 29,172.96, 40,260.24 and 16,601.76

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Solution

The fourth proportional to 29,172.96, 40,260.24 and 16,601.76 is: 22,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172.96 : 40,260.24 = 16,601.76 : x
  2. Step 2: Convert to fraction form
    29,172.96/40,260.24 = 16,601.76/x
  3. Step 3: Cross multiply
    29,172.96x = 40,260.24 × 16,601.76
  4. Step 4: Simplify right side
    29,172.96x = 668,390,842.02
  5. Step 5: Solve for x
    x = 668,390,842.02/29,172.96
  6. Step 6: Final answer
    x = 22,911.31

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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.