Home / 38,973.87-58,462.89-12,317.84

Finding the Fourth Proportional to 38,973.87, 58,462.89 and 12,317.84

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Solution

The fourth proportional to 38,973.87, 58,462.89 and 12,317.84 is: 18,477.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,973.87 : 58,462.89 = 12,317.84 : x
  2. Step 2: Convert to fraction form
    38,973.87/58,462.89 = 12,317.84/x
  3. Step 3: Cross multiply
    38,973.87x = 58,462.89 × 12,317.84
  4. Step 4: Simplify right side
    38,973.87x = 720,136,232.64
  5. Step 5: Solve for x
    x = 720,136,232.64/38,973.87
  6. Step 6: Final answer
    x = 18,477.41

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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.