Home / 63,627.30-87,765.32-39,087.36

Finding the Fourth Proportional to 63,627.30, 87,765.32 and 39,087.36

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Solution

The fourth proportional to 63,627.30, 87,765.32 and 39,087.36 is: 53,915.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,627.30 : 87,765.32 = 39,087.36 : x
  2. Step 2: Convert to fraction form
    63,627.30/87,765.32 = 39,087.36/x
  3. Step 3: Cross multiply
    63,627.30x = 87,765.32 × 39,087.36
  4. Step 4: Simplify right side
    63,627.30x = 3,430,514,462.92
  5. Step 5: Solve for x
    x = 3,430,514,462.92/63,627.30
  6. Step 6: Final answer
    x = 53,915.76

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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.