Home / 55,040.40-82,593.36-38,186.64

Finding the Fourth Proportional to 55,040.40, 82,593.36 and 38,186.64

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Solution

The fourth proportional to 55,040.40, 82,593.36 and 38,186.64 is: 57,302.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,040.40 : 82,593.36 = 38,186.64 : x
  2. Step 2: Convert to fraction form
    55,040.40/82,593.36 = 38,186.64/x
  3. Step 3: Cross multiply
    55,040.40x = 82,593.36 × 38,186.64
  4. Step 4: Simplify right side
    55,040.40x = 3,153,962,904.71
  5. Step 5: Solve for x
    x = 3,153,962,904.71/55,040.40
  6. Step 6: Final answer
    x = 57,302.69

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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.