Home / 39,205.54-58,811.56-12,555.42

Finding the Fourth Proportional to 39,205.54, 58,811.56 and 12,555.42

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Solution

The fourth proportional to 39,205.54, 58,811.56 and 12,555.42 is: 18,834.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,205.54 : 58,811.56 = 12,555.42 : x
  2. Step 2: Convert to fraction form
    39,205.54/58,811.56 = 12,555.42/x
  3. Step 3: Cross multiply
    39,205.54x = 58,811.56 × 12,555.42
  4. Step 4: Simplify right side
    39,205.54x = 738,403,836.66
  5. Step 5: Solve for x
    x = 738,403,836.66/39,205.54
  6. Step 6: Final answer
    x = 18,834.17

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1.5x scale

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.