Home / 39,573.18-54,608.58-21,668.40

Finding the Fourth Proportional to 39,573.18, 54,608.58 and 21,668.40

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Solution

The fourth proportional to 39,573.18, 54,608.58 and 21,668.40 is: 29,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,573.18 : 54,608.58 = 21,668.40 : x
  2. Step 2: Convert to fraction form
    39,573.18/54,608.58 = 21,668.40/x
  3. Step 3: Cross multiply
    39,573.18x = 54,608.58 × 21,668.40
  4. Step 4: Simplify right side
    39,573.18x = 1,183,280,554.87
  5. Step 5: Solve for x
    x = 1,183,280,554.87/39,573.18
  6. Step 6: Final answer
    x = 29,901.07

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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.