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Finding the Fourth Proportional to 30,637.53, 45,959.48 and 8,450.91

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Solution

The fourth proportional to 30,637.53, 45,959.48 and 8,450.91 is: 12,677.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,637.53 : 45,959.48 = 8,450.91 : x
  2. Step 2: Convert to fraction form
    30,637.53/45,959.48 = 8,450.91/x
  3. Step 3: Cross multiply
    30,637.53x = 45,959.48 × 8,450.91
  4. Step 4: Simplify right side
    30,637.53x = 388,399,199.33
  5. Step 5: Solve for x
    x = 388,399,199.33/30,637.53
  6. Step 6: Final answer
    x = 12,677.24

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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.