Home / 29,619.71-40,876.19-16,190.67

Finding the Fourth Proportional to 29,619.71, 40,876.19 and 16,190.67

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Solution

The fourth proportional to 29,619.71, 40,876.19 and 16,190.67 is: 22,343.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,619.71 : 40,876.19 = 16,190.67 : x
  2. Step 2: Convert to fraction form
    29,619.71/40,876.19 = 16,190.67/x
  3. Step 3: Cross multiply
    29,619.71x = 40,876.19 × 16,190.67
  4. Step 4: Simplify right side
    29,619.71x = 661,812,903.15
  5. Step 5: Solve for x
    x = 661,812,903.15/29,619.71
  6. Step 6: Final answer
    x = 22,343.67

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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.