Home / 66,245.67-99,271.86-30,717.84

Finding the Fourth Proportional to 66,245.67, 99,271.86 and 30,717.84

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Solution

The fourth proportional to 66,245.67, 99,271.86 and 30,717.84 is: 46,031.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,245.67 : 99,271.86 = 30,717.84 : x
  2. Step 2: Convert to fraction form
    66,245.67/99,271.86 = 30,717.84/x
  3. Step 3: Cross multiply
    66,245.67x = 99,271.86 × 30,717.84
  4. Step 4: Simplify right side
    66,245.67x = 3,049,417,111.98
  5. Step 5: Solve for x
    x = 3,049,417,111.98/66,245.67
  6. Step 6: Final answer
    x = 46,031.95

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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.