Home / 38,668.37-53,366.76-21,677.19

Finding the Fourth Proportional to 38,668.37, 53,366.76 and 21,677.19

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Solution

The fourth proportional to 38,668.37, 53,366.76 and 21,677.19 is: 29,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668.37 : 53,366.76 = 21,677.19 : x
  2. Step 2: Convert to fraction form
    38,668.37/53,366.76 = 21,677.19/x
  3. Step 3: Cross multiply
    38,668.37x = 53,366.76 × 21,677.19
  4. Step 4: Simplify right side
    38,668.37x = 1,156,841,396.20
  5. Step 5: Solve for x
    x = 1,156,841,396.20/38,668.37
  6. Step 6: Final answer
    x = 29,917.00

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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.