Home / 75,982.32-113,973.48-20,582.64

Finding the Fourth Proportional to 75,982.32, 113,973.48 and 20,582.64

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Solution

The fourth proportional to 75,982.32, 113,973.48 and 20,582.64 is: 30,873.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,982.32 : 113,973.48 = 20,582.64 : x
  2. Step 2: Convert to fraction form
    75,982.32/113,973.48 = 20,582.64/x
  3. Step 3: Cross multiply
    75,982.32x = 113,973.48 × 20,582.64
  4. Step 4: Simplify right side
    75,982.32x = 2,345,875,108.39
  5. Step 5: Solve for x
    x = 2,345,875,108.39/75,982.32
  6. Step 6: Final answer
    x = 30,873.96

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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.