Home / 50,782.50-70,078.08-28,122.48

Finding the Fourth Proportional to 50,782.50, 70,078.08 and 28,122.48

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Solution

The fourth proportional to 50,782.50, 70,078.08 and 28,122.48 is: 38,808.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,782.50 : 70,078.08 = 28,122.48 : x
  2. Step 2: Convert to fraction form
    50,782.50/70,078.08 = 28,122.48/x
  3. Step 3: Cross multiply
    50,782.50x = 70,078.08 × 28,122.48
  4. Step 4: Simplify right side
    50,782.50x = 1,970,769,403.24
  5. Step 5: Solve for x
    x = 1,970,769,403.24/50,782.50
  6. Step 6: Final answer
    x = 38,808.04

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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.