Home / 57,429.38-79,259.64-34,769.22

Finding the Fourth Proportional to 57,429.38, 79,259.64 and 34,769.22

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Solution

The fourth proportional to 57,429.38, 79,259.64 and 34,769.22 is: 47,985.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,429.38 : 79,259.64 = 34,769.22 : x
  2. Step 2: Convert to fraction form
    57,429.38/79,259.64 = 34,769.22/x
  3. Step 3: Cross multiply
    57,429.38x = 79,259.64 × 34,769.22
  4. Step 4: Simplify right side
    57,429.38x = 2,755,795,860.28
  5. Step 5: Solve for x
    x = 2,755,795,860.28/57,429.38
  6. Step 6: Final answer
    x = 47,985.82

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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.