Home / 57,548.06-79,420.31-34,888.01

Finding the Fourth Proportional to 57,548.06, 79,420.31 and 34,888.01

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Solution

The fourth proportional to 57,548.06, 79,420.31 and 34,888.01 is: 48,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,548.06 : 79,420.31 = 34,888.01 : x
  2. Step 2: Convert to fraction form
    57,548.06/79,420.31 = 34,888.01/x
  3. Step 3: Cross multiply
    57,548.06x = 79,420.31 × 34,888.01
  4. Step 4: Simplify right side
    57,548.06x = 2,770,816,548.39
  5. Step 5: Solve for x
    x = 2,770,816,548.39/57,548.06
  6. Step 6: Final answer
    x = 48,147.87

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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.