Home / 45,315.30-67,979.87-23,116.57

Finding the Fourth Proportional to 45,315.30, 67,979.87 and 23,116.57

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Solution

The fourth proportional to 45,315.30, 67,979.87 and 23,116.57 is: 34,678.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,315.30 : 67,979.87 = 23,116.57 : x
  2. Step 2: Convert to fraction form
    45,315.30/67,979.87 = 23,116.57/x
  3. Step 3: Cross multiply
    45,315.30x = 67,979.87 × 23,116.57
  4. Step 4: Simplify right side
    45,315.30x = 1,571,461,224.60
  5. Step 5: Solve for x
    x = 1,571,461,224.60/45,315.30
  6. Step 6: Final answer
    x = 34,678.38

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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.