Home / 45,720.24-63,104.04-28,950

Finding the Fourth Proportional to 45,720.24, 63,104.04 and 28,950

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Solution

The fourth proportional to 45,720.24, 63,104.04 and 28,950 is: 39,957.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,720.24 : 63,104.04 = 28,950 : x
  2. Step 2: Convert to fraction form
    45,720.24/63,104.04 = 28,950/x
  3. Step 3: Cross multiply
    45,720.24x = 63,104.04 × 28,950
  4. Step 4: Simplify right side
    45,720.24x = 1,826,861,958
  5. Step 5: Solve for x
    x = 1,826,861,958/45,720.24
  6. Step 6: Final answer
    x = 39,957.40

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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.