Home / 54,345.96-75,000.20-30,471.21

Finding the Fourth Proportional to 54,345.96, 75,000.20 and 30,471.21

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Solution

The fourth proportional to 54,345.96, 75,000.20 and 30,471.21 is: 42,051.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,345.96 : 75,000.20 = 30,471.21 : x
  2. Step 2: Convert to fraction form
    54,345.96/75,000.20 = 30,471.21/x
  3. Step 3: Cross multiply
    54,345.96x = 75,000.20 × 30,471.21
  4. Step 4: Simplify right side
    54,345.96x = 2,285,346,691.89
  5. Step 5: Solve for x
    x = 2,285,346,691.89/54,345.96
  6. Step 6: Final answer
    x = 42,051.82

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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.