Home / 30,258.06-41,752.80-18,323.19

Finding the Fourth Proportional to 30,258.06, 41,752.80 and 18,323.19

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Solution

The fourth proportional to 30,258.06, 41,752.80 and 18,323.19 is: 25,283.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,258.06 : 41,752.80 = 18,323.19 : x
  2. Step 2: Convert to fraction form
    30,258.06/41,752.80 = 18,323.19/x
  3. Step 3: Cross multiply
    30,258.06x = 41,752.80 × 18,323.19
  4. Step 4: Simplify right side
    30,258.06x = 765,044,487.43
  5. Step 5: Solve for x
    x = 765,044,487.43/30,258.06
  6. Step 6: Final answer
    x = 25,283.99

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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.