Home / 45,425.67-68,141.23-19,132.46

Finding the Fourth Proportional to 45,425.67, 68,141.23 and 19,132.46

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Solution

The fourth proportional to 45,425.67, 68,141.23 and 19,132.46 is: 28,699.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,425.67 : 68,141.23 = 19,132.46 : x
  2. Step 2: Convert to fraction form
    45,425.67/68,141.23 = 19,132.46/x
  3. Step 3: Cross multiply
    45,425.67x = 68,141.23 × 19,132.46
  4. Step 4: Simplify right side
    45,425.67x = 1,303,709,357.33
  5. Step 5: Solve for x
    x = 1,303,709,357.33/45,425.67
  6. Step 6: Final answer
    x = 28,699.84

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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.