Home / 63,628.12-87,850.74-39,765.52

Finding the Fourth Proportional to 63,628.12, 87,850.74 and 39,765.52

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Solution

The fourth proportional to 63,628.12, 87,850.74 and 39,765.52 is: 54,903.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,628.12 : 87,850.74 = 39,765.52 : x
  2. Step 2: Convert to fraction form
    63,628.12/87,850.74 = 39,765.52/x
  3. Step 3: Cross multiply
    63,628.12x = 87,850.74 × 39,765.52
  4. Step 4: Simplify right side
    63,628.12x = 3,493,430,358.48
  5. Step 5: Solve for x
    x = 3,493,430,358.48/63,628.12
  6. Step 6: Final answer
    x = 54,903.88

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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.