Home / 45,406.04-68,083.11-13,806.77

Finding the Fourth Proportional to 45,406.04, 68,083.11 and 13,806.77

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Solution

The fourth proportional to 45,406.04, 68,083.11 and 13,806.77 is: 20,702.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,406.04 : 68,083.11 = 13,806.77 : x
  2. Step 2: Convert to fraction form
    45,406.04/68,083.11 = 13,806.77/x
  3. Step 3: Cross multiply
    45,406.04x = 68,083.11 × 13,806.77
  4. Step 4: Simplify right side
    45,406.04x = 940,007,500.24
  5. Step 5: Solve for x
    x = 940,007,500.24/45,406.04
  6. Step 6: Final answer
    x = 20,702.26

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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.