Home / 30,293.34-41,806.84-18,357.85

Finding the Fourth Proportional to 30,293.34, 41,806.84 and 18,357.85

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Solution

The fourth proportional to 30,293.34, 41,806.84 and 18,357.85 is: 25,335.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293.34 : 41,806.84 = 18,357.85 : x
  2. Step 2: Convert to fraction form
    30,293.34/41,806.84 = 18,357.85/x
  3. Step 3: Cross multiply
    30,293.34x = 41,806.84 × 18,357.85
  4. Step 4: Simplify right side
    30,293.34x = 767,483,605.90
  5. Step 5: Solve for x
    x = 767,483,605.90/30,293.34
  6. Step 6: Final answer
    x = 25,335.06

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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.