Home / 32,401.50-48,583.08-12,657.18

Finding the Fourth Proportional to 32,401.50, 48,583.08 and 12,657.18

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Solution

The fourth proportional to 32,401.50, 48,583.08 and 12,657.18 is: 18,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,401.50 : 48,583.08 = 12,657.18 : x
  2. Step 2: Convert to fraction form
    32,401.50/48,583.08 = 12,657.18/x
  3. Step 3: Cross multiply
    32,401.50x = 48,583.08 × 12,657.18
  4. Step 4: Simplify right side
    32,401.50x = 614,924,788.51
  5. Step 5: Solve for x
    x = 614,924,788.51/32,401.50
  6. Step 6: Final answer
    x = 18,978.28

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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.