Home / 40,623.60-60,929.10-14,322.18

Finding the Fourth Proportional to 40,623.60, 60,929.10 and 14,322.18

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Solution

The fourth proportional to 40,623.60, 60,929.10 and 14,322.18 is: 21,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,623.60 : 60,929.10 = 14,322.18 : x
  2. Step 2: Convert to fraction form
    40,623.60/60,929.10 = 14,322.18/x
  3. Step 3: Cross multiply
    40,623.60x = 60,929.10 × 14,322.18
  4. Step 4: Simplify right side
    40,623.60x = 872,637,537.44
  5. Step 5: Solve for x
    x = 872,637,537.44/40,623.60
  6. Step 6: Final answer
    x = 21,481.05

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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.