Home / 58,178.31-80,322.80-40,266.78

Finding the Fourth Proportional to 58,178.31, 80,322.80 and 40,266.78

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Solution

The fourth proportional to 58,178.31, 80,322.80 and 40,266.78 is: 55,593.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,178.31 : 80,322.80 = 40,266.78 : x
  2. Step 2: Convert to fraction form
    58,178.31/80,322.80 = 40,266.78/x
  3. Step 3: Cross multiply
    58,178.31x = 80,322.80 × 40,266.78
  4. Step 4: Simplify right side
    58,178.31x = 3,234,340,516.58
  5. Step 5: Solve for x
    x = 3,234,340,516.58/58,178.31
  6. Step 6: Final answer
    x = 55,593.58

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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.