Home / 55,427.25-76,491.51-30,278.37

Finding the Fourth Proportional to 55,427.25, 76,491.51 and 30,278.37

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Solution

The fourth proportional to 55,427.25, 76,491.51 and 30,278.37 is: 41,785.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,427.25 : 76,491.51 = 30,278.37 : x
  2. Step 2: Convert to fraction form
    55,427.25/76,491.51 = 30,278.37/x
  3. Step 3: Cross multiply
    55,427.25x = 76,491.51 × 30,278.37
  4. Step 4: Simplify right side
    55,427.25x = 2,316,038,241.64
  5. Step 5: Solve for x
    x = 2,316,038,241.64/55,427.25
  6. Step 6: Final answer
    x = 41,785.19

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1.5x scale

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.