Home / 32,617.74-45,012.36-18,471.90

Finding the Fourth Proportional to 32,617.74, 45,012.36 and 18,471.90

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Solution

The fourth proportional to 32,617.74, 45,012.36 and 18,471.90 is: 25,491.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,617.74 : 45,012.36 = 18,471.90 : x
  2. Step 2: Convert to fraction form
    32,617.74/45,012.36 = 18,471.90/x
  3. Step 3: Cross multiply
    32,617.74x = 45,012.36 × 18,471.90
  4. Step 4: Simplify right side
    32,617.74x = 831,463,812.68
  5. Step 5: Solve for x
    x = 831,463,812.68/32,617.74
  6. Step 6: Final answer
    x = 25,491.15

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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.