Home / 54,679.08-75,457.40-30,806.13

Finding the Fourth Proportional to 54,679.08, 75,457.40 and 30,806.13

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Solution

The fourth proportional to 54,679.08, 75,457.40 and 30,806.13 is: 42,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,679.08 : 75,457.40 = 30,806.13 : x
  2. Step 2: Convert to fraction form
    54,679.08/75,457.40 = 30,806.13/x
  3. Step 3: Cross multiply
    54,679.08x = 75,457.40 × 30,806.13
  4. Step 4: Simplify right side
    54,679.08x = 2,324,550,473.86
  5. Step 5: Solve for x
    x = 2,324,550,473.86/54,679.08
  6. Step 6: Final answer
    x = 42,512.61

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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.