Home / 63,980.16-95,981.58-30,760.44

Finding the Fourth Proportional to 63,980.16, 95,981.58 and 30,760.44

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Solution

The fourth proportional to 63,980.16, 95,981.58 and 30,760.44 is: 46,146.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,980.16 : 95,981.58 = 30,760.44 : x
  2. Step 2: Convert to fraction form
    63,980.16/95,981.58 = 30,760.44/x
  3. Step 3: Cross multiply
    63,980.16x = 95,981.58 × 30,760.44
  4. Step 4: Simplify right side
    63,980.16x = 2,952,435,632.70
  5. Step 5: Solve for x
    x = 2,952,435,632.70/63,980.16
  6. Step 6: Final answer
    x = 46,146.11

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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.