Home / 45,559.69-68,340.14-15,978.39

Finding the Fourth Proportional to 45,559.69, 68,340.14 and 15,978.39

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Solution

The fourth proportional to 45,559.69, 68,340.14 and 15,978.39 is: 23,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,559.69 : 68,340.14 = 15,978.39 : x
  2. Step 2: Convert to fraction form
    45,559.69/68,340.14 = 15,978.39/x
  3. Step 3: Cross multiply
    45,559.69x = 68,340.14 × 15,978.39
  4. Step 4: Simplify right side
    45,559.69x = 1,091,965,409.57
  5. Step 5: Solve for x
    x = 1,091,965,409.57/45,559.69
  6. Step 6: Final answer
    x = 23,967.80

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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.