Home / 65,676.78-90,633.60-36,996.35

Finding the Fourth Proportional to 65,676.78, 90,633.60 and 36,996.35

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Solution

The fourth proportional to 65,676.78, 90,633.60 and 36,996.35 is: 51,054.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,676.78 : 90,633.60 = 36,996.35 : x
  2. Step 2: Convert to fraction form
    65,676.78/90,633.60 = 36,996.35/x
  3. Step 3: Cross multiply
    65,676.78x = 90,633.60 × 36,996.35
  4. Step 4: Simplify right side
    65,676.78x = 3,353,111,934.19
  5. Step 5: Solve for x
    x = 3,353,111,934.19/65,676.78
  6. Step 6: Final answer
    x = 51,054.76

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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.