Home / 75,331.13-112,996.56-30,926.60

Finding the Fourth Proportional to 75,331.13, 112,996.56 and 30,926.60

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Solution

The fourth proportional to 75,331.13, 112,996.56 and 30,926.60 is: 46,389.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,331.13 : 112,996.56 = 30,926.60 : x
  2. Step 2: Convert to fraction form
    75,331.13/112,996.56 = 30,926.60/x
  3. Step 3: Cross multiply
    75,331.13x = 112,996.56 × 30,926.60
  4. Step 4: Simplify right side
    75,331.13x = 3,494,598,847.51
  5. Step 5: Solve for x
    x = 3,494,598,847.51/75,331.13
  6. Step 6: Final answer
    x = 46,389.84

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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.