Home / 55,771.07-83,656.71-39,205.21

Finding the Fourth Proportional to 55,771.07, 83,656.71 and 39,205.21

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Solution

The fourth proportional to 55,771.07, 83,656.71 and 39,205.21 is: 58,807.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,771.07 : 83,656.71 = 39,205.21 : x
  2. Step 2: Convert to fraction form
    55,771.07/83,656.71 = 39,205.21/x
  3. Step 3: Cross multiply
    55,771.07x = 83,656.71 × 39,205.21
  4. Step 4: Simplify right side
    55,771.07x = 3,279,778,674.32
  5. Step 5: Solve for x
    x = 3,279,778,674.32/55,771.07
  6. Step 6: Final answer
    x = 58,807.88

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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.