Home / 45,085.37-67,651.64-18,451.13

Finding the Fourth Proportional to 45,085.37, 67,651.64 and 18,451.13

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Solution

The fourth proportional to 45,085.37, 67,651.64 and 18,451.13 is: 27,686.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,085.37 : 67,651.64 = 18,451.13 : x
  2. Step 2: Convert to fraction form
    45,085.37/67,651.64 = 18,451.13/x
  3. Step 3: Cross multiply
    45,085.37x = 67,651.64 × 18,451.13
  4. Step 4: Simplify right side
    45,085.37x = 1,248,248,773.84
  5. Step 5: Solve for x
    x = 1,248,248,773.84/45,085.37
  6. Step 6: Final answer
    x = 27,686.34

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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.