Home / 75,038.56-112,558.01-30,665.31

Finding the Fourth Proportional to 75,038.56, 112,558.01 and 30,665.31

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Solution

The fourth proportional to 75,038.56, 112,558.01 and 30,665.31 is: 45,998.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,038.56 : 112,558.01 = 30,665.31 : x
  2. Step 2: Convert to fraction form
    75,038.56/112,558.01 = 30,665.31/x
  3. Step 3: Cross multiply
    75,038.56x = 112,558.01 × 30,665.31
  4. Step 4: Simplify right side
    75,038.56x = 3,451,625,694.21
  5. Step 5: Solve for x
    x = 3,451,625,694.21/75,038.56
  6. Step 6: Final answer
    x = 45,998.03

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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.