Home / 37,634.56-56,431.86-12,666.28

Finding the Fourth Proportional to 37,634.56, 56,431.86 and 12,666.28

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Solution

The fourth proportional to 37,634.56, 56,431.86 and 12,666.28 is: 18,992.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,634.56 : 56,431.86 = 12,666.28 : x
  2. Step 2: Convert to fraction form
    37,634.56/56,431.86 = 12,666.28/x
  3. Step 3: Cross multiply
    37,634.56x = 56,431.86 × 12,666.28
  4. Step 4: Simplify right side
    37,634.56x = 714,781,739.68
  5. Step 5: Solve for x
    x = 714,781,739.68/37,634.56
  6. Step 6: Final answer
    x = 18,992.70

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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.