Home / 38,698.26-53,404.20-21,706.28

Finding the Fourth Proportional to 38,698.26, 53,404.20 and 21,706.28

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Solution

The fourth proportional to 38,698.26, 53,404.20 and 21,706.28 is: 29,955.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,698.26 : 53,404.20 = 21,706.28 : x
  2. Step 2: Convert to fraction form
    38,698.26/53,404.20 = 21,706.28/x
  3. Step 3: Cross multiply
    38,698.26x = 53,404.20 × 21,706.28
  4. Step 4: Simplify right side
    38,698.26x = 1,159,206,251.36
  5. Step 5: Solve for x
    x = 1,159,206,251.36/38,698.26
  6. Step 6: Final answer
    x = 29,955.00

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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.