Home / 33,258.90-45,898.35-18,918.36

Finding the Fourth Proportional to 33,258.90, 45,898.35 and 18,918.36

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Solution

The fourth proportional to 33,258.90, 45,898.35 and 18,918.36 is: 26,107.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,258.90 : 45,898.35 = 18,918.36 : x
  2. Step 2: Convert to fraction form
    33,258.90/45,898.35 = 18,918.36/x
  3. Step 3: Cross multiply
    33,258.90x = 45,898.35 × 18,918.36
  4. Step 4: Simplify right side
    33,258.90x = 868,321,508.71
  5. Step 5: Solve for x
    x = 868,321,508.71/33,258.90
  6. Step 6: Final answer
    x = 26,107.94

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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.