Home / 60,633.09-90,953.01-18,519.57

Finding the Fourth Proportional to 60,633.09, 90,953.01 and 18,519.57

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Solution

The fourth proportional to 60,633.09, 90,953.01 and 18,519.57 is: 27,780.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,633.09 : 90,953.01 = 18,519.57 : x
  2. Step 2: Convert to fraction form
    60,633.09/90,953.01 = 18,519.57/x
  3. Step 3: Cross multiply
    60,633.09x = 90,953.01 × 18,519.57
  4. Step 4: Simplify right side
    60,633.09x = 1,684,410,635.41
  5. Step 5: Solve for x
    x = 1,684,410,635.41/60,633.09
  6. Step 6: Final answer
    x = 27,780.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.