Home / 33,261.48-45,901.68-19,835.36

Finding the Fourth Proportional to 33,261.48, 45,901.68 and 19,835.36

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Solution

The fourth proportional to 33,261.48, 45,901.68 and 19,835.36 is: 27,373.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,261.48 : 45,901.68 = 19,835.36 : x
  2. Step 2: Convert to fraction form
    33,261.48/45,901.68 = 19,835.36/x
  3. Step 3: Cross multiply
    33,261.48x = 45,901.68 × 19,835.36
  4. Step 4: Simplify right side
    33,261.48x = 910,476,347.40
  5. Step 5: Solve for x
    x = 910,476,347.40/33,261.48
  6. Step 6: Final answer
    x = 27,373.30

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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.