Home / 54,355.08-75,009.06-30,481.68

Finding the Fourth Proportional to 54,355.08, 75,009.06 and 30,481.68

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Solution

The fourth proportional to 54,355.08, 75,009.06 and 30,481.68 is: 42,064.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,355.08 : 75,009.06 = 30,481.68 : x
  2. Step 2: Convert to fraction form
    54,355.08/75,009.06 = 30,481.68/x
  3. Step 3: Cross multiply
    54,355.08x = 75,009.06 × 30,481.68
  4. Step 4: Simplify right side
    54,355.08x = 2,286,402,164.02
  5. Step 5: Solve for x
    x = 2,286,402,164.02/54,355.08
  6. Step 6: Final answer
    x = 42,064.19

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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.