Home / 35,818.60-53,708.70-15,018.60

Finding the Fourth Proportional to 35,818.60, 53,708.70 and 15,018.60

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Solution

The fourth proportional to 35,818.60, 53,708.70 and 15,018.60 is: 22,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,818.60 : 53,708.70 = 15,018.60 : x
  2. Step 2: Convert to fraction form
    35,818.60/53,708.70 = 15,018.60/x
  3. Step 3: Cross multiply
    35,818.60x = 53,708.70 × 15,018.60
  4. Step 4: Simplify right side
    35,818.60x = 806,629,481.82
  5. Step 5: Solve for x
    x = 806,629,481.82/35,818.60
  6. Step 6: Final answer
    x = 22,519.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.