Home / 50,855.20-76,282.08-19,668.40

Finding the Fourth Proportional to 50,855.20, 76,282.08 and 19,668.40

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Solution

The fourth proportional to 50,855.20, 76,282.08 and 19,668.40 is: 29,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,855.20 : 76,282.08 = 19,668.40 : x
  2. Step 2: Convert to fraction form
    50,855.20/76,282.08 = 19,668.40/x
  3. Step 3: Cross multiply
    50,855.20x = 76,282.08 × 19,668.40
  4. Step 4: Simplify right side
    50,855.20x = 1,500,346,462.27
  5. Step 5: Solve for x
    x = 1,500,346,462.27/50,855.20
  6. Step 6: Final answer
    x = 29,502.32

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1.5x scale

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.