Home / 32,638.74-45,025.44-21,303

Finding the Fourth Proportional to 32,638.74, 45,025.44 and 21,303

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Solution

The fourth proportional to 32,638.74, 45,025.44 and 21,303 is: 29,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,638.74 : 45,025.44 = 21,303 : x
  2. Step 2: Convert to fraction form
    32,638.74/45,025.44 = 21,303/x
  3. Step 3: Cross multiply
    32,638.74x = 45,025.44 × 21,303
  4. Step 4: Simplify right side
    32,638.74x = 959,176,948.32
  5. Step 5: Solve for x
    x = 959,176,948.32/32,638.74
  6. Step 6: Final answer
    x = 29,387.68

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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.