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Finding the Fourth Proportional to 30,347.84, 45,480.48 and 17,873.60

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Solution

The fourth proportional to 30,347.84, 45,480.48 and 17,873.60 is: 26,786.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,347.84 : 45,480.48 = 17,873.60 : x
  2. Step 2: Convert to fraction form
    30,347.84/45,480.48 = 17,873.60/x
  3. Step 3: Cross multiply
    30,347.84x = 45,480.48 × 17,873.60
  4. Step 4: Simplify right side
    30,347.84x = 812,899,907.33
  5. Step 5: Solve for x
    x = 812,899,907.33/30,347.84
  6. Step 6: Final answer
    x = 26,786.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.