Home / 39,415.37-54,394.48-22,419.17

Finding the Fourth Proportional to 39,415.37, 54,394.48 and 22,419.17

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Solution

The fourth proportional to 39,415.37, 54,394.48 and 22,419.17 is: 30,939.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,415.37 : 54,394.48 = 22,419.17 : x
  2. Step 2: Convert to fraction form
    39,415.37/54,394.48 = 22,419.17/x
  3. Step 3: Cross multiply
    39,415.37x = 54,394.48 × 22,419.17
  4. Step 4: Simplify right side
    39,415.37x = 1,219,479,030.09
  5. Step 5: Solve for x
    x = 1,219,479,030.09/39,415.37
  6. Step 6: Final answer
    x = 30,939.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.