Home / 45,561.45-68,357.55-28,707.11

Finding the Fourth Proportional to 45,561.45, 68,357.55 and 28,707.11

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Solution

The fourth proportional to 45,561.45, 68,357.55 and 28,707.11 is: 43,070.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,561.45 : 68,357.55 = 28,707.11 : x
  2. Step 2: Convert to fraction form
    45,561.45/68,357.55 = 28,707.11/x
  3. Step 3: Cross multiply
    45,561.45x = 68,357.55 × 28,707.11
  4. Step 4: Simplify right side
    45,561.45x = 1,962,347,532.58
  5. Step 5: Solve for x
    x = 1,962,347,532.58/45,561.45
  6. Step 6: Final answer
    x = 43,070.35

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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.