Home / 39,409.88-54,386.84-22,416.59

Finding the Fourth Proportional to 39,409.88, 54,386.84 and 22,416.59

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Solution

The fourth proportional to 39,409.88, 54,386.84 and 22,416.59 is: 30,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,409.88 : 54,386.84 = 22,416.59 : x
  2. Step 2: Convert to fraction form
    39,409.88/54,386.84 = 22,416.59/x
  3. Step 3: Cross multiply
    39,409.88x = 54,386.84 × 22,416.59
  4. Step 4: Simplify right side
    39,409.88x = 1,219,167,685.68
  5. Step 5: Solve for x
    x = 1,219,167,685.68/39,409.88
  6. Step 6: Final answer
    x = 30,935.58

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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.