Home / 40,509.81-55,897.96-22,601.35

Finding the Fourth Proportional to 40,509.81, 55,897.96 and 22,601.35

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Solution

The fourth proportional to 40,509.81, 55,897.96 and 22,601.35 is: 31,186.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,509.81 : 55,897.96 = 22,601.35 : x
  2. Step 2: Convert to fraction form
    40,509.81/55,897.96 = 22,601.35/x
  3. Step 3: Cross multiply
    40,509.81x = 55,897.96 × 22,601.35
  4. Step 4: Simplify right side
    40,509.81x = 1,263,369,358.25
  5. Step 5: Solve for x
    x = 1,263,369,358.25/40,509.81
  6. Step 6: Final answer
    x = 31,186.75

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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.