Home / 55,088.24-82,637.82-17,638.90

Finding the Fourth Proportional to 55,088.24, 82,637.82 and 17,638.90

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Solution

The fourth proportional to 55,088.24, 82,637.82 and 17,638.90 is: 26,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,088.24 : 82,637.82 = 17,638.90 : x
  2. Step 2: Convert to fraction form
    55,088.24/82,637.82 = 17,638.90/x
  3. Step 3: Cross multiply
    55,088.24x = 82,637.82 × 17,638.90
  4. Step 4: Simplify right side
    55,088.24x = 1,457,640,243.20
  5. Step 5: Solve for x
    x = 1,457,640,243.20/55,088.24
  6. Step 6: Final answer
    x = 26,460.10

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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.