Home / 37,903.98-52,310.46-20,909.76

Finding the Fourth Proportional to 37,903.98, 52,310.46 and 20,909.76

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Solution

The fourth proportional to 37,903.98, 52,310.46 and 20,909.76 is: 28,857.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,903.98 : 52,310.46 = 20,909.76 : x
  2. Step 2: Convert to fraction form
    37,903.98/52,310.46 = 20,909.76/x
  3. Step 3: Cross multiply
    37,903.98x = 52,310.46 × 20,909.76
  4. Step 4: Simplify right side
    37,903.98x = 1,093,799,164.09
  5. Step 5: Solve for x
    x = 1,093,799,164.09/37,903.98
  6. Step 6: Final answer
    x = 28,857.11

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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.