Home / 45,243.74-67,840.94-15,659.12

Finding the Fourth Proportional to 45,243.74, 67,840.94 and 15,659.12

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Solution

The fourth proportional to 45,243.74, 67,840.94 and 15,659.12 is: 23,480.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,243.74 : 67,840.94 = 15,659.12 : x
  2. Step 2: Convert to fraction form
    45,243.74/67,840.94 = 15,659.12/x
  3. Step 3: Cross multiply
    45,243.74x = 67,840.94 × 15,659.12
  4. Step 4: Simplify right side
    45,243.74x = 1,062,329,420.37
  5. Step 5: Solve for x
    x = 1,062,329,420.37/45,243.74
  6. Step 6: Final answer
    x = 23,480.14

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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.