Home / 45,305.66-67,943.08-17,218.95

Finding the Fourth Proportional to 45,305.66, 67,943.08 and 17,218.95

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Solution

The fourth proportional to 45,305.66, 67,943.08 and 17,218.95 is: 25,822.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,305.66 : 67,943.08 = 17,218.95 : x
  2. Step 2: Convert to fraction form
    45,305.66/67,943.08 = 17,218.95/x
  3. Step 3: Cross multiply
    45,305.66x = 67,943.08 × 17,218.95
  4. Step 4: Simplify right side
    45,305.66x = 1,169,908,497.37
  5. Step 5: Solve for x
    x = 1,169,908,497.37/45,305.66
  6. Step 6: Final answer
    x = 25,822.57

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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.