Home / 55,287.63-82,931.42-17,853.21

Finding the Fourth Proportional to 55,287.63, 82,931.42 and 17,853.21

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Solution

The fourth proportional to 55,287.63, 82,931.42 and 17,853.21 is: 26,779.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,287.63 : 82,931.42 = 17,853.21 : x
  2. Step 2: Convert to fraction form
    55,287.63/82,931.42 = 17,853.21/x
  3. Step 3: Cross multiply
    55,287.63x = 82,931.42 × 17,853.21
  4. Step 4: Simplify right side
    55,287.63x = 1,480,591,552.94
  5. Step 5: Solve for x
    x = 1,480,591,552.94/55,287.63
  6. Step 6: Final answer
    x = 26,779.80

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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.