Home / 40,129.98-55,379.94-23,133.92

Finding the Fourth Proportional to 40,129.98, 55,379.94 and 23,133.92

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Solution

The fourth proportional to 40,129.98, 55,379.94 and 23,133.92 is: 31,925.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,129.98 : 55,379.94 = 23,133.92 : x
  2. Step 2: Convert to fraction form
    40,129.98/55,379.94 = 23,133.92/x
  3. Step 3: Cross multiply
    40,129.98x = 55,379.94 × 23,133.92
  4. Step 4: Simplify right side
    40,129.98x = 1,281,154,709.00
  5. Step 5: Solve for x
    x = 1,281,154,709.00/40,129.98
  6. Step 6: Final answer
    x = 31,925.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.