Home / 54,581.52-75,318-30,703.44

Finding the Fourth Proportional to 54,581.52, 75,318 and 30,703.44

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Solution

The fourth proportional to 54,581.52, 75,318 and 30,703.44 is: 42,368.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,581.52 : 75,318 = 30,703.44 : x
  2. Step 2: Convert to fraction form
    54,581.52/75,318 = 30,703.44/x
  3. Step 3: Cross multiply
    54,581.52x = 75,318 × 30,703.44
  4. Step 4: Simplify right side
    54,581.52x = 2,312,521,693.92
  5. Step 5: Solve for x
    x = 2,312,521,693.92/54,581.52
  6. Step 6: Final answer
    x = 42,368.22

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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.