Home / 40,822.11-61,235.45-12,746.04

Finding the Fourth Proportional to 40,822.11, 61,235.45 and 12,746.04

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Solution

The fourth proportional to 40,822.11, 61,235.45 and 12,746.04 is: 19,119.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,822.11 : 61,235.45 = 12,746.04 : x
  2. Step 2: Convert to fraction form
    40,822.11/61,235.45 = 12,746.04/x
  3. Step 3: Cross multiply
    40,822.11x = 61,235.45 × 12,746.04
  4. Step 4: Simplify right side
    40,822.11x = 780,509,495.12
  5. Step 5: Solve for x
    x = 780,509,495.12/40,822.11
  6. Step 6: Final answer
    x = 19,119.77

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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.