Home / 32,431.36-48,623.31-21,875.11

Finding the Fourth Proportional to 32,431.36, 48,623.31 and 21,875.11

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Solution

The fourth proportional to 32,431.36, 48,623.31 and 21,875.11 is: 32,796.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,431.36 : 48,623.31 = 21,875.11 : x
  2. Step 2: Convert to fraction form
    32,431.36/48,623.31 = 21,875.11/x
  3. Step 3: Cross multiply
    32,431.36x = 48,623.31 × 21,875.11
  4. Step 4: Simplify right side
    32,431.36x = 1,063,640,254.81
  5. Step 5: Solve for x
    x = 1,063,640,254.81/32,431.36
  6. Step 6: Final answer
    x = 32,796.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.