Home / 50,817.20-70,130.34-30,673.80

Finding the Fourth Proportional to 50,817.20, 70,130.34 and 30,673.80

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Solution

The fourth proportional to 50,817.20, 70,130.34 and 30,673.80 is: 42,331.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,817.20 : 70,130.34 = 30,673.80 : x
  2. Step 2: Convert to fraction form
    50,817.20/70,130.34 = 30,673.80/x
  3. Step 3: Cross multiply
    50,817.20x = 70,130.34 × 30,673.80
  4. Step 4: Simplify right side
    50,817.20x = 2,151,164,023.09
  5. Step 5: Solve for x
    x = 2,151,164,023.09/50,817.20
  6. Step 6: Final answer
    x = 42,331.42

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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.