Home / 39,469.07-59,211.39-12,810.08

Finding the Fourth Proportional to 39,469.07, 59,211.39 and 12,810.08

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Solution

The fourth proportional to 39,469.07, 59,211.39 and 12,810.08 is: 19,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,469.07 : 59,211.39 = 12,810.08 : x
  2. Step 2: Convert to fraction form
    39,469.07/59,211.39 = 12,810.08/x
  3. Step 3: Cross multiply
    39,469.07x = 59,211.39 × 12,810.08
  4. Step 4: Simplify right side
    39,469.07x = 758,502,766.82
  5. Step 5: Solve for x
    x = 758,502,766.82/39,469.07
  6. Step 6: Final answer
    x = 19,217.65

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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.