Home / 30,554.32-45,837.24-12,087.76

Finding the Fourth Proportional to 30,554.32, 45,837.24 and 12,087.76

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Solution

The fourth proportional to 30,554.32, 45,837.24 and 12,087.76 is: 18,133.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,554.32 : 45,837.24 = 12,087.76 : x
  2. Step 2: Convert to fraction form
    30,554.32/45,837.24 = 12,087.76/x
  3. Step 3: Cross multiply
    30,554.32x = 45,837.24 × 12,087.76
  4. Step 4: Simplify right side
    30,554.32x = 554,069,556.18
  5. Step 5: Solve for x
    x = 554,069,556.18/30,554.32
  6. Step 6: Final answer
    x = 18,133.92

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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.