Home / 38,417.85-57,648.65-30,675.87

Finding the Fourth Proportional to 38,417.85, 57,648.65 and 30,675.87

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Solution

The fourth proportional to 38,417.85, 57,648.65 and 30,675.87 is: 46,031.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,417.85 : 57,648.65 = 30,675.87 : x
  2. Step 2: Convert to fraction form
    38,417.85/57,648.65 = 30,675.87/x
  3. Step 3: Cross multiply
    38,417.85x = 57,648.65 × 30,675.87
  4. Step 4: Simplify right side
    38,417.85x = 1,768,422,493.08
  5. Step 5: Solve for x
    x = 1,768,422,493.08/38,417.85
  6. Step 6: Final answer
    x = 46,031.27

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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.