Home / 30,663.41-45,994.65-8,476.29

Finding the Fourth Proportional to 30,663.41, 45,994.65 and 8,476.29

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Solution

The fourth proportional to 30,663.41, 45,994.65 and 8,476.29 is: 12,714.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,663.41 : 45,994.65 = 8,476.29 : x
  2. Step 2: Convert to fraction form
    30,663.41/45,994.65 = 8,476.29/x
  3. Step 3: Cross multiply
    30,663.41x = 45,994.65 × 8,476.29
  4. Step 4: Simplify right side
    30,663.41x = 389,863,991.85
  5. Step 5: Solve for x
    x = 389,863,991.85/30,663.41
  6. Step 6: Final answer
    x = 12,714.31

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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.