Home / 33,311.48-45,970.40-19,880.12

Finding the Fourth Proportional to 33,311.48, 45,970.40 and 19,880.12

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Solution

The fourth proportional to 33,311.48, 45,970.40 and 19,880.12 is: 27,434.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,311.48 : 45,970.40 = 19,880.12 : x
  2. Step 2: Convert to fraction form
    33,311.48/45,970.40 = 19,880.12/x
  3. Step 3: Cross multiply
    33,311.48x = 45,970.40 × 19,880.12
  4. Step 4: Simplify right side
    33,311.48x = 913,897,233.07
  5. Step 5: Solve for x
    x = 913,897,233.07/33,311.48
  6. Step 6: Final answer
    x = 27,434.91

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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.