Home / 55,677.89-83,521.61-18,237.81

Finding the Fourth Proportional to 55,677.89, 83,521.61 and 18,237.81

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Solution

The fourth proportional to 55,677.89, 83,521.61 and 18,237.81 is: 27,358.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,677.89 : 83,521.61 = 18,237.81 : x
  2. Step 2: Convert to fraction form
    55,677.89/83,521.61 = 18,237.81/x
  3. Step 3: Cross multiply
    55,677.89x = 83,521.61 × 18,237.81
  4. Step 4: Simplify right side
    55,677.89x = 1,523,251,299.67
  5. Step 5: Solve for x
    x = 1,523,251,299.67/55,677.89
  6. Step 6: Final answer
    x = 27,358.28

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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.