Home / 30,302.07-45,458.03-8,956.95

Finding the Fourth Proportional to 30,302.07, 45,458.03 and 8,956.95

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Solution

The fourth proportional to 30,302.07, 45,458.03 and 8,956.95 is: 13,436.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,302.07 : 45,458.03 = 8,956.95 : x
  2. Step 2: Convert to fraction form
    30,302.07/45,458.03 = 8,956.95/x
  3. Step 3: Cross multiply
    30,302.07x = 45,458.03 × 8,956.95
  4. Step 4: Simplify right side
    30,302.07x = 407,165,257.02
  5. Step 5: Solve for x
    x = 407,165,257.02/30,302.07
  6. Step 6: Final answer
    x = 13,436.88

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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.