Home / 66,886.93-100,321.15-36,956.46

Finding the Fourth Proportional to 66,886.93, 100,321.15 and 36,956.46

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Solution

The fourth proportional to 66,886.93, 100,321.15 and 36,956.46 is: 55,429.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,886.93 : 100,321.15 = 36,956.46 : x
  2. Step 2: Convert to fraction form
    66,886.93/100,321.15 = 36,956.46/x
  3. Step 3: Cross multiply
    66,886.93x = 100,321.15 × 36,956.46
  4. Step 4: Simplify right side
    66,886.93x = 3,707,514,567.13
  5. Step 5: Solve for x
    x = 3,707,514,567.13/66,886.93
  6. Step 6: Final answer
    x = 55,429.58

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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.