Home / 54,411.72-75,095.50-30,539.70

Finding the Fourth Proportional to 54,411.72, 75,095.50 and 30,539.70

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Solution

The fourth proportional to 54,411.72, 75,095.50 and 30,539.70 is: 42,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,411.72 : 75,095.50 = 30,539.70 : x
  2. Step 2: Convert to fraction form
    54,411.72/75,095.50 = 30,539.70/x
  3. Step 3: Cross multiply
    54,411.72x = 75,095.50 × 30,539.70
  4. Step 4: Simplify right side
    54,411.72x = 2,293,394,041.35
  5. Step 5: Solve for x
    x = 2,293,394,041.35/54,411.72
  6. Step 6: Final answer
    x = 42,148.90

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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.