Home / 37,809.40-52,178.70-21,043.48

Finding the Fourth Proportional to 37,809.40, 52,178.70 and 21,043.48

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Solution

The fourth proportional to 37,809.40, 52,178.70 and 21,043.48 is: 29,040.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,809.40 : 52,178.70 = 21,043.48 : x
  2. Step 2: Convert to fraction form
    37,809.40/52,178.70 = 21,043.48/x
  3. Step 3: Cross multiply
    37,809.40x = 52,178.70 × 21,043.48
  4. Step 4: Simplify right side
    37,809.40x = 1,098,021,429.88
  5. Step 5: Solve for x
    x = 1,098,021,429.88/37,809.40
  6. Step 6: Final answer
    x = 29,040.96

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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.