Home / 39,150.35-58,730.08-12,487.04

Finding the Fourth Proportional to 39,150.35, 58,730.08 and 12,487.04

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Solution

The fourth proportional to 39,150.35, 58,730.08 and 12,487.04 is: 18,732.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,150.35 : 58,730.08 = 12,487.04 : x
  2. Step 2: Convert to fraction form
    39,150.35/58,730.08 = 12,487.04/x
  3. Step 3: Cross multiply
    39,150.35x = 58,730.08 × 12,487.04
  4. Step 4: Simplify right side
    39,150.35x = 733,364,858.16
  5. Step 5: Solve for x
    x = 733,364,858.16/39,150.35
  6. Step 6: Final answer
    x = 18,732.01

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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.