Home / 39,199.56-58,808.16-12,903.36

Finding the Fourth Proportional to 39,199.56, 58,808.16 and 12,903.36

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Solution

The fourth proportional to 39,199.56, 58,808.16 and 12,903.36 is: 19,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,199.56 : 58,808.16 = 12,903.36 : x
  2. Step 2: Convert to fraction form
    39,199.56/58,808.16 = 12,903.36/x
  3. Step 3: Cross multiply
    39,199.56x = 58,808.16 × 12,903.36
  4. Step 4: Simplify right side
    39,199.56x = 758,822,859.42
  5. Step 5: Solve for x
    x = 758,822,859.42/39,199.56
  6. Step 6: Final answer
    x = 19,357.94

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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.