Home / 32,668.16-48,963.36-18,788

Finding the Fourth Proportional to 32,668.16, 48,963.36 and 18,788

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Solution

The fourth proportional to 32,668.16, 48,963.36 and 18,788 is: 28,159.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,668.16 : 48,963.36 = 18,788 : x
  2. Step 2: Convert to fraction form
    32,668.16/48,963.36 = 18,788/x
  3. Step 3: Cross multiply
    32,668.16x = 48,963.36 × 18,788
  4. Step 4: Simplify right side
    32,668.16x = 919,923,607.68
  5. Step 5: Solve for x
    x = 919,923,607.68/32,668.16
  6. Step 6: Final answer
    x = 28,159.64

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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.