Home / 37,817.52-52,186.14-20,818.45

Finding the Fourth Proportional to 37,817.52, 52,186.14 and 20,818.45

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Solution

The fourth proportional to 37,817.52, 52,186.14 and 20,818.45 is: 28,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,817.52 : 52,186.14 = 20,818.45 : x
  2. Step 2: Convert to fraction form
    37,817.52/52,186.14 = 20,818.45/x
  3. Step 3: Cross multiply
    37,817.52x = 52,186.14 × 20,818.45
  4. Step 4: Simplify right side
    37,817.52x = 1,086,434,546.28
  5. Step 5: Solve for x
    x = 1,086,434,546.28/37,817.52
  6. Step 6: Final answer
    x = 28,728.34

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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.