Home / 55,390.37-83,078.26-15,412.01

Finding the Fourth Proportional to 55,390.37, 83,078.26 and 15,412.01

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Solution

The fourth proportional to 55,390.37, 83,078.26 and 15,412.01 is: 23,115.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,390.37 : 83,078.26 = 15,412.01 : x
  2. Step 2: Convert to fraction form
    55,390.37/83,078.26 = 15,412.01/x
  3. Step 3: Cross multiply
    55,390.37x = 83,078.26 × 15,412.01
  4. Step 4: Simplify right side
    55,390.37x = 1,280,402,519.98
  5. Step 5: Solve for x
    x = 1,280,402,519.98/55,390.37
  6. Step 6: Final answer
    x = 23,115.98

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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.