Home / 40,320.63-55,644.36-22,415.93

Finding the Fourth Proportional to 40,320.63, 55,644.36 and 22,415.93

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Solution

The fourth proportional to 40,320.63, 55,644.36 and 22,415.93 is: 30,935.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,320.63 : 55,644.36 = 22,415.93 : x
  2. Step 2: Convert to fraction form
    40,320.63/55,644.36 = 22,415.93/x
  3. Step 3: Cross multiply
    40,320.63x = 55,644.36 × 22,415.93
  4. Step 4: Simplify right side
    40,320.63x = 1,247,320,176.48
  5. Step 5: Solve for x
    x = 1,247,320,176.48/40,320.63
  6. Step 6: Final answer
    x = 30,935.04

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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.