Home / 49,977.64-74,933.10-20,387.52

Finding the Fourth Proportional to 49,977.64, 74,933.10 and 20,387.52

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Solution

The fourth proportional to 49,977.64, 74,933.10 and 20,387.52 is: 30,567.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,977.64 : 74,933.10 = 20,387.52 : x
  2. Step 2: Convert to fraction form
    49,977.64/74,933.10 = 20,387.52/x
  3. Step 3: Cross multiply
    49,977.64x = 74,933.10 × 20,387.52
  4. Step 4: Simplify right side
    49,977.64x = 1,527,700,074.91
  5. Step 5: Solve for x
    x = 1,527,700,074.91/49,977.64
  6. Step 6: Final answer
    x = 30,567.67

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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.