Home / 39,975.94-55,166.44-22,070.56

Finding the Fourth Proportional to 39,975.94, 55,166.44 and 22,070.56

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Solution

The fourth proportional to 39,975.94, 55,166.44 and 22,070.56 is: 30,457.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.94 : 55,166.44 = 22,070.56 : x
  2. Step 2: Convert to fraction form
    39,975.94/55,166.44 = 22,070.56/x
  3. Step 3: Cross multiply
    39,975.94x = 55,166.44 × 22,070.56
  4. Step 4: Simplify right side
    39,975.94x = 1,217,553,837.82
  5. Step 5: Solve for x
    x = 1,217,553,837.82/39,975.94
  6. Step 6: Final answer
    x = 30,457.17

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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.