Home / 54,633.80-75,401.84-30,765.16

Finding the Fourth Proportional to 54,633.80, 75,401.84 and 30,765.16

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Solution

The fourth proportional to 54,633.80, 75,401.84 and 30,765.16 is: 42,459.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,633.80 : 75,401.84 = 30,765.16 : x
  2. Step 2: Convert to fraction form
    54,633.80/75,401.84 = 30,765.16/x
  3. Step 3: Cross multiply
    54,633.80x = 75,401.84 × 30,765.16
  4. Step 4: Simplify right side
    54,633.80x = 2,319,749,671.89
  5. Step 5: Solve for x
    x = 2,319,749,671.89/54,633.80
  6. Step 6: Final answer
    x = 42,459.97

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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.