Home / 39,943.41-55,125-22,039.98

Finding the Fourth Proportional to 39,943.41, 55,125 and 22,039.98

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Solution

The fourth proportional to 39,943.41, 55,125 and 22,039.98 is: 30,416.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943.41 : 55,125 = 22,039.98 : x
  2. Step 2: Convert to fraction form
    39,943.41/55,125 = 22,039.98/x
  3. Step 3: Cross multiply
    39,943.41x = 55,125 × 22,039.98
  4. Step 4: Simplify right side
    39,943.41x = 1,214,953,897.50
  5. Step 5: Solve for x
    x = 1,214,953,897.50/39,943.41
  6. Step 6: Final answer
    x = 30,416.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.