Home / 55,627.09-83,445.75-18,187.36

Finding the Fourth Proportional to 55,627.09, 83,445.75 and 18,187.36

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Solution

The fourth proportional to 55,627.09, 83,445.75 and 18,187.36 is: 27,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,627.09 : 83,445.75 = 18,187.36 : x
  2. Step 2: Convert to fraction form
    55,627.09/83,445.75 = 18,187.36/x
  3. Step 3: Cross multiply
    55,627.09x = 83,445.75 × 18,187.36
  4. Step 4: Simplify right side
    55,627.09x = 1,517,657,895.72
  5. Step 5: Solve for x
    x = 1,517,657,895.72/55,627.09
  6. Step 6: Final answer
    x = 27,282.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.