Home / 55,867.23-83,783.07-18,420.32

Finding the Fourth Proportional to 55,867.23, 83,783.07 and 18,420.32

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Solution

The fourth proportional to 55,867.23, 83,783.07 and 18,420.32 is: 27,624.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,867.23 : 83,783.07 = 18,420.32 : x
  2. Step 2: Convert to fraction form
    55,867.23/83,783.07 = 18,420.32/x
  3. Step 3: Cross multiply
    55,867.23x = 83,783.07 × 18,420.32
  4. Step 4: Simplify right side
    55,867.23x = 1,543,310,541.07
  5. Step 5: Solve for x
    x = 1,543,310,541.07/55,867.23
  6. Step 6: Final answer
    x = 27,624.61

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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.