Home / 45,302.24-67,956.80-12,021.63

Finding the Fourth Proportional to 45,302.24, 67,956.80 and 12,021.63

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Solution

The fourth proportional to 45,302.24, 67,956.80 and 12,021.63 is: 18,033.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,302.24 : 67,956.80 = 12,021.63 : x
  2. Step 2: Convert to fraction form
    45,302.24/67,956.80 = 12,021.63/x
  3. Step 3: Cross multiply
    45,302.24x = 67,956.80 × 12,021.63
  4. Step 4: Simplify right side
    45,302.24x = 816,951,445.48
  5. Step 5: Solve for x
    x = 816,951,445.48/45,302.24
  6. Step 6: Final answer
    x = 18,033.36

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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.