Home / 66,708.58-92,054.40-36,488.02

Finding the Fourth Proportional to 66,708.58, 92,054.40 and 36,488.02

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Solution

The fourth proportional to 66,708.58, 92,054.40 and 36,488.02 is: 50,351.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,708.58 : 92,054.40 = 36,488.02 : x
  2. Step 2: Convert to fraction form
    66,708.58/92,054.40 = 36,488.02/x
  3. Step 3: Cross multiply
    66,708.58x = 92,054.40 × 36,488.02
  4. Step 4: Simplify right side
    66,708.58x = 3,358,882,328.02
  5. Step 5: Solve for x
    x = 3,358,882,328.02/66,708.58
  6. Step 6: Final answer
    x = 50,351.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.