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Finding the Fourth Proportional to 29,970.84, 41,333.07 and 19,349.31

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Solution

The fourth proportional to 29,970.84, 41,333.07 and 19,349.31 is: 26,684.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,970.84 : 41,333.07 = 19,349.31 : x
  2. Step 2: Convert to fraction form
    29,970.84/41,333.07 = 19,349.31/x
  3. Step 3: Cross multiply
    29,970.84x = 41,333.07 × 19,349.31
  4. Step 4: Simplify right side
    29,970.84x = 799,766,384.68
  5. Step 5: Solve for x
    x = 799,766,384.68/29,970.84
  6. Step 6: Final answer
    x = 26,684.82

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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.