Home / 54,659.01-75,416.25-30,785.67

Finding the Fourth Proportional to 54,659.01, 75,416.25 and 30,785.67

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Solution

The fourth proportional to 54,659.01, 75,416.25 and 30,785.67 is: 42,476.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,659.01 : 75,416.25 = 30,785.67 : x
  2. Step 2: Convert to fraction form
    54,659.01/75,416.25 = 30,785.67/x
  3. Step 3: Cross multiply
    54,659.01x = 75,416.25 × 30,785.67
  4. Step 4: Simplify right side
    54,659.01x = 2,321,739,785.14
  5. Step 5: Solve for x
    x = 2,321,739,785.14/54,659.01
  6. Step 6: Final answer
    x = 42,476.80

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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.