Home / 32,120.55-48,153.12-15,457.66

Finding the Fourth Proportional to 32,120.55, 48,153.12 and 15,457.66

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Solution

The fourth proportional to 32,120.55, 48,153.12 and 15,457.66 is: 23,173.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,120.55 : 48,153.12 = 15,457.66 : x
  2. Step 2: Convert to fraction form
    32,120.55/48,153.12 = 15,457.66/x
  3. Step 3: Cross multiply
    32,120.55x = 48,153.12 × 15,457.66
  4. Step 4: Simplify right side
    32,120.55x = 744,334,556.90
  5. Step 5: Solve for x
    x = 744,334,556.90/32,120.55
  6. Step 6: Final answer
    x = 23,173.16

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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.