Home / 50,710.98-69,979.68-28,050.88

Finding the Fourth Proportional to 50,710.98, 69,979.68 and 28,050.88

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Solution

The fourth proportional to 50,710.98, 69,979.68 and 28,050.88 is: 38,709.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,710.98 : 69,979.68 = 28,050.88 : x
  2. Step 2: Convert to fraction form
    50,710.98/69,979.68 = 28,050.88/x
  3. Step 3: Cross multiply
    50,710.98x = 69,979.68 × 28,050.88
  4. Step 4: Simplify right side
    50,710.98x = 1,962,991,606.12
  5. Step 5: Solve for x
    x = 1,962,991,606.12/50,710.98
  6. Step 6: Final answer
    x = 38,709.40

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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.