Home / 57,418.36-79,201.58-39,482.26

Finding the Fourth Proportional to 57,418.36, 79,201.58 and 39,482.26

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Solution

The fourth proportional to 57,418.36, 79,201.58 and 39,482.26 is: 54,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,418.36 : 79,201.58 = 39,482.26 : x
  2. Step 2: Convert to fraction form
    57,418.36/79,201.58 = 39,482.26/x
  3. Step 3: Cross multiply
    57,418.36x = 79,201.58 × 39,482.26
  4. Step 4: Simplify right side
    57,418.36x = 3,127,057,373.97
  5. Step 5: Solve for x
    x = 3,127,057,373.97/57,418.36
  6. Step 6: Final answer
    x = 54,460.93

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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.