Home / 49,849.28-74,707.80-28,756.04

Finding the Fourth Proportional to 49,849.28, 74,707.80 and 28,756.04

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Solution

The fourth proportional to 49,849.28, 74,707.80 and 28,756.04 is: 43,095.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,849.28 : 74,707.80 = 28,756.04 : x
  2. Step 2: Convert to fraction form
    49,849.28/74,707.80 = 28,756.04/x
  3. Step 3: Cross multiply
    49,849.28x = 74,707.80 × 28,756.04
  4. Step 4: Simplify right side
    49,849.28x = 2,148,300,485.11
  5. Step 5: Solve for x
    x = 2,148,300,485.11/49,849.28
  6. Step 6: Final answer
    x = 43,095.92

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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.