Home / 43,564.48-65,343.06-13,974.28

Finding the Fourth Proportional to 43,564.48, 65,343.06 and 13,974.28

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Solution

The fourth proportional to 43,564.48, 65,343.06 and 13,974.28 is: 20,960.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,564.48 : 65,343.06 = 13,974.28 : x
  2. Step 2: Convert to fraction form
    43,564.48/65,343.06 = 13,974.28/x
  3. Step 3: Cross multiply
    43,564.48x = 65,343.06 × 13,974.28
  4. Step 4: Simplify right side
    43,564.48x = 913,122,216.50
  5. Step 5: Solve for x
    x = 913,122,216.50/43,564.48
  6. Step 6: Final answer
    x = 20,960.25

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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.