Home / 54,580.29-75,314.71-30,706.48

Finding the Fourth Proportional to 54,580.29, 75,314.71 and 30,706.48

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Solution

The fourth proportional to 54,580.29, 75,314.71 and 30,706.48 is: 42,371.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,580.29 : 75,314.71 = 30,706.48 : x
  2. Step 2: Convert to fraction form
    54,580.29/75,314.71 = 30,706.48/x
  3. Step 3: Cross multiply
    54,580.29x = 75,314.71 × 30,706.48
  4. Step 4: Simplify right side
    54,580.29x = 2,312,649,636.32
  5. Step 5: Solve for x
    x = 2,312,649,636.32/54,580.29
  6. Step 6: Final answer
    x = 42,371.52

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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.