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Finding the Fourth Proportional to 30,664.92, 45,996.80 and 16,713.74

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Solution

The fourth proportional to 30,664.92, 45,996.80 and 16,713.74 is: 25,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,664.92 : 45,996.80 = 16,713.74 : x
  2. Step 2: Convert to fraction form
    30,664.92/45,996.80 = 16,713.74/x
  3. Step 3: Cross multiply
    30,664.92x = 45,996.80 × 16,713.74
  4. Step 4: Simplify right side
    30,664.92x = 768,778,242.48
  5. Step 5: Solve for x
    x = 768,778,242.48/30,664.92
  6. Step 6: Final answer
    x = 25,070.28

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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.