Home / 50,830.96-70,147.02-28,170.58

Finding the Fourth Proportional to 50,830.96, 70,147.02 and 28,170.58

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Solution

The fourth proportional to 50,830.96, 70,147.02 and 28,170.58 is: 38,875.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,830.96 : 70,147.02 = 28,170.58 : x
  2. Step 2: Convert to fraction form
    50,830.96/70,147.02 = 28,170.58/x
  3. Step 3: Cross multiply
    50,830.96x = 70,147.02 × 28,170.58
  4. Step 4: Simplify right side
    50,830.96x = 1,976,082,238.67
  5. Step 5: Solve for x
    x = 1,976,082,238.67/50,830.96
  6. Step 6: Final answer
    x = 38,875.56

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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.