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Finding the Fourth Proportional to 30,597.41, 45,871.41 and 11,867.78

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Solution

The fourth proportional to 30,597.41, 45,871.41 and 11,867.78 is: 17,792.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,597.41 : 45,871.41 = 11,867.78 : x
  2. Step 2: Convert to fraction form
    30,597.41/45,871.41 = 11,867.78/x
  3. Step 3: Cross multiply
    30,597.41x = 45,871.41 × 11,867.78
  4. Step 4: Simplify right side
    30,597.41x = 544,391,802.17
  5. Step 5: Solve for x
    x = 544,391,802.17/30,597.41
  6. Step 6: Final answer
    x = 17,792.09

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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.