Home / 54,490.62-75,188.91-30,612.68

Finding the Fourth Proportional to 54,490.62, 75,188.91 and 30,612.68

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Solution

The fourth proportional to 54,490.62, 75,188.91 and 30,612.68 is: 42,240.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,490.62 : 75,188.91 = 30,612.68 : x
  2. Step 2: Convert to fraction form
    54,490.62/75,188.91 = 30,612.68/x
  3. Step 3: Cross multiply
    54,490.62x = 75,188.91 × 30,612.68
  4. Step 4: Simplify right side
    54,490.62x = 2,301,734,312.93
  5. Step 5: Solve for x
    x = 2,301,734,312.93/54,490.62
  6. Step 6: Final answer
    x = 42,240.92

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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.