Home / 50,782.08-70,076.96-28,119.48

Finding the Fourth Proportional to 50,782.08, 70,076.96 and 28,119.48

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Solution

The fourth proportional to 50,782.08, 70,076.96 and 28,119.48 is: 38,803.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,782.08 : 70,076.96 = 28,119.48 : x
  2. Step 2: Convert to fraction form
    50,782.08/70,076.96 = 28,119.48/x
  3. Step 3: Cross multiply
    50,782.08x = 70,076.96 × 28,119.48
  4. Step 4: Simplify right side
    50,782.08x = 1,970,527,675.18
  5. Step 5: Solve for x
    x = 1,970,527,675.18/50,782.08
  6. Step 6: Final answer
    x = 38,803.60

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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.