Home / 39,106.14-58,663.34-12,812.94

Finding the Fourth Proportional to 39,106.14, 58,663.34 and 12,812.94

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Solution

The fourth proportional to 39,106.14, 58,663.34 and 12,812.94 is: 19,220.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,106.14 : 58,663.34 = 12,812.94 : x
  2. Step 2: Convert to fraction form
    39,106.14/58,663.34 = 12,812.94/x
  3. Step 3: Cross multiply
    39,106.14x = 58,663.34 × 12,812.94
  4. Step 4: Simplify right side
    39,106.14x = 751,649,791.55
  5. Step 5: Solve for x
    x = 751,649,791.55/39,106.14
  6. Step 6: Final answer
    x = 19,220.76

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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.