Home / 33,240.40-45,848.29-19,801.28

Finding the Fourth Proportional to 33,240.40, 45,848.29 and 19,801.28

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Solution

The fourth proportional to 33,240.40, 45,848.29 and 19,801.28 is: 27,311.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,240.40 : 45,848.29 = 19,801.28 : x
  2. Step 2: Convert to fraction form
    33,240.40/45,848.29 = 19,801.28/x
  3. Step 3: Cross multiply
    33,240.40x = 45,848.29 × 19,801.28
  4. Step 4: Simplify right side
    33,240.40x = 907,854,827.81
  5. Step 5: Solve for x
    x = 907,854,827.81/33,240.40
  6. Step 6: Final answer
    x = 27,311.79

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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.