Home / 55,143.48-82,707.43-17,706.80

Finding the Fourth Proportional to 55,143.48, 82,707.43 and 17,706.80

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Solution

The fourth proportional to 55,143.48, 82,707.43 and 17,706.80 is: 26,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,143.48 : 82,707.43 = 17,706.80 : x
  2. Step 2: Convert to fraction form
    55,143.48/82,707.43 = 17,706.80/x
  3. Step 3: Cross multiply
    55,143.48x = 82,707.43 × 17,706.80
  4. Step 4: Simplify right side
    55,143.48x = 1,464,484,117.23
  5. Step 5: Solve for x
    x = 1,464,484,117.23/55,143.48
  6. Step 6: Final answer
    x = 26,557.70

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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.