Home / 29,688.82-40,970.57-16,260.55

Finding the Fourth Proportional to 29,688.82, 40,970.57 and 16,260.55

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Solution

The fourth proportional to 29,688.82, 40,970.57 and 16,260.55 is: 22,439.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,688.82 : 40,970.57 = 16,260.55 : x
  2. Step 2: Convert to fraction form
    29,688.82/40,970.57 = 16,260.55/x
  3. Step 3: Cross multiply
    29,688.82x = 40,970.57 × 16,260.55
  4. Step 4: Simplify right side
    29,688.82x = 666,204,002.01
  5. Step 5: Solve for x
    x = 666,204,002.01/29,688.82
  6. Step 6: Final answer
    x = 22,439.56

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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.