Home / 45,315.21-67,979.73-23,116.47

Finding the Fourth Proportional to 45,315.21, 67,979.73 and 23,116.47

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Solution

The fourth proportional to 45,315.21, 67,979.73 and 23,116.47 is: 34,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,315.21 : 67,979.73 = 23,116.47 : x
  2. Step 2: Convert to fraction form
    45,315.21/67,979.73 = 23,116.47/x
  3. Step 3: Cross multiply
    45,315.21x = 67,979.73 × 23,116.47
  4. Step 4: Simplify right side
    45,315.21x = 1,571,451,644.08
  5. Step 5: Solve for x
    x = 1,571,451,644.08/45,315.21
  6. Step 6: Final answer
    x = 34,678.24

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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.