Home / 30,335.06-41,862.47-16,905.97

Finding the Fourth Proportional to 30,335.06, 41,862.47 and 16,905.97

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Solution

The fourth proportional to 30,335.06, 41,862.47 and 16,905.97 is: 23,330.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,335.06 : 41,862.47 = 16,905.97 : x
  2. Step 2: Convert to fraction form
    30,335.06/41,862.47 = 16,905.97/x
  3. Step 3: Cross multiply
    30,335.06x = 41,862.47 × 16,905.97
  4. Step 4: Simplify right side
    30,335.06x = 707,725,489.36
  5. Step 5: Solve for x
    x = 707,725,489.36/30,335.06
  6. Step 6: Final answer
    x = 23,330.28

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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.