Home / 54,875.87-75,734.30-39,575.06

Finding the Fourth Proportional to 54,875.87, 75,734.30 and 39,575.06

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Solution

The fourth proportional to 54,875.87, 75,734.30 and 39,575.06 is: 54,617.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,875.87 : 75,734.30 = 39,575.06 : x
  2. Step 2: Convert to fraction form
    54,875.87/75,734.30 = 39,575.06/x
  3. Step 3: Cross multiply
    54,875.87x = 75,734.30 × 39,575.06
  4. Step 4: Simplify right side
    54,875.87x = 2,997,189,186.82
  5. Step 5: Solve for x
    x = 2,997,189,186.82/54,875.87
  6. Step 6: Final answer
    x = 54,617.62

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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.