Home / 57,699.38-79,615.52-38,548.45

Finding the Fourth Proportional to 57,699.38, 79,615.52 and 38,548.45

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Solution

The fourth proportional to 57,699.38, 79,615.52 and 38,548.45 is: 53,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,699.38 : 79,615.52 = 38,548.45 : x
  2. Step 2: Convert to fraction form
    57,699.38/79,615.52 = 38,548.45/x
  3. Step 3: Cross multiply
    57,699.38x = 79,615.52 × 38,548.45
  4. Step 4: Simplify right side
    57,699.38x = 3,069,054,397.50
  5. Step 5: Solve for x
    x = 3,069,054,397.50/57,699.38
  6. Step 6: Final answer
    x = 53,190.43

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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.