Home / 73,026.36-109,539.72-20,435.76

Finding the Fourth Proportional to 73,026.36, 109,539.72 and 20,435.76

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Solution

The fourth proportional to 73,026.36, 109,539.72 and 20,435.76 is: 30,653.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,026.36 : 109,539.72 = 20,435.76 : x
  2. Step 2: Convert to fraction form
    73,026.36/109,539.72 = 20,435.76/x
  3. Step 3: Cross multiply
    73,026.36x = 109,539.72 × 20,435.76
  4. Step 4: Simplify right side
    73,026.36x = 2,238,527,428.39
  5. Step 5: Solve for x
    x = 2,238,527,428.39/73,026.36
  6. Step 6: Final answer
    x = 30,653.69

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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.