Home / 32,688.87-49,033.31-9,315.38

Finding the Fourth Proportional to 32,688.87, 49,033.31 and 9,315.38

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Solution

The fourth proportional to 32,688.87, 49,033.31 and 9,315.38 is: 13,973.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,688.87 : 49,033.31 = 9,315.38 : x
  2. Step 2: Convert to fraction form
    32,688.87/49,033.31 = 9,315.38/x
  3. Step 3: Cross multiply
    32,688.87x = 49,033.31 × 9,315.38
  4. Step 4: Simplify right side
    32,688.87x = 456,763,915.31
  5. Step 5: Solve for x
    x = 456,763,915.31/32,688.87
  6. Step 6: Final answer
    x = 13,973.07

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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.