Home / 38,676.30-58,015.17-30,978.06

Finding the Fourth Proportional to 38,676.30, 58,015.17 and 30,978.06

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Solution

The fourth proportional to 38,676.30, 58,015.17 and 30,978.06 is: 46,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,676.30 : 58,015.17 = 30,978.06 : x
  2. Step 2: Convert to fraction form
    38,676.30/58,015.17 = 30,978.06/x
  3. Step 3: Cross multiply
    38,676.30x = 58,015.17 × 30,978.06
  4. Step 4: Simplify right side
    38,676.30x = 1,797,197,417.17
  5. Step 5: Solve for x
    x = 1,797,197,417.17/38,676.30
  6. Step 6: Final answer
    x = 46,467.67

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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.