Home / 32,688.64-49,053.68-13,968.81

Finding the Fourth Proportional to 32,688.64, 49,053.68 and 13,968.81

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Solution

The fourth proportional to 32,688.64, 49,053.68 and 13,968.81 is: 20,962.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,688.64 : 49,053.68 = 13,968.81 : x
  2. Step 2: Convert to fraction form
    32,688.64/49,053.68 = 13,968.81/x
  3. Step 3: Cross multiply
    32,688.64x = 49,053.68 × 13,968.81
  4. Step 4: Simplify right side
    32,688.64x = 685,221,535.72
  5. Step 5: Solve for x
    x = 685,221,535.72/32,688.64
  6. Step 6: Final answer
    x = 20,962.07

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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.