Home / 38,806.32-58,209.48-30,978.48

Finding the Fourth Proportional to 38,806.32, 58,209.48 and 30,978.48

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Solution

The fourth proportional to 38,806.32, 58,209.48 and 30,978.48 is: 46,467.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,806.32 : 58,209.48 = 30,978.48 : x
  2. Step 2: Convert to fraction form
    38,806.32/58,209.48 = 30,978.48/x
  3. Step 3: Cross multiply
    38,806.32x = 58,209.48 × 30,978.48
  4. Step 4: Simplify right side
    38,806.32x = 1,803,241,211.99
  5. Step 5: Solve for x
    x = 1,803,241,211.99/38,806.32
  6. Step 6: Final answer
    x = 46,467.72

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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.