Home / 45,102.82-67,617.77-18,827.23

Finding the Fourth Proportional to 45,102.82, 67,617.77 and 18,827.23

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Solution

The fourth proportional to 45,102.82, 67,617.77 and 18,827.23 is: 28,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,102.82 : 67,617.77 = 18,827.23 : x
  2. Step 2: Convert to fraction form
    45,102.82/67,617.77 = 18,827.23/x
  3. Step 3: Cross multiply
    45,102.82x = 67,617.77 × 18,827.23
  4. Step 4: Simplify right side
    45,102.82x = 1,273,054,875.65
  5. Step 5: Solve for x
    x = 1,273,054,875.65/45,102.82
  6. Step 6: Final answer
    x = 28,225.62

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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.