Home / 50,308.08-69,422.23-28,798.93

Finding the Fourth Proportional to 50,308.08, 69,422.23 and 28,798.93

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Solution

The fourth proportional to 50,308.08, 69,422.23 and 28,798.93 is: 39,740.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,308.08 : 69,422.23 = 28,798.93 : x
  2. Step 2: Convert to fraction form
    50,308.08/69,422.23 = 28,798.93/x
  3. Step 3: Cross multiply
    50,308.08x = 69,422.23 × 28,798.93
  4. Step 4: Simplify right side
    50,308.08x = 1,999,285,942.21
  5. Step 5: Solve for x
    x = 1,999,285,942.21/50,308.08
  6. Step 6: Final answer
    x = 39,740.85

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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.