Home / 55,869.36-83,806.63-18,432.71

Finding the Fourth Proportional to 55,869.36, 83,806.63 and 18,432.71

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Solution

The fourth proportional to 55,869.36, 83,806.63 and 18,432.71 is: 27,649.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,869.36 : 83,806.63 = 18,432.71 : x
  2. Step 2: Convert to fraction form
    55,869.36/83,806.63 = 18,432.71/x
  3. Step 3: Cross multiply
    55,869.36x = 83,806.63 × 18,432.71
  4. Step 4: Simplify right side
    55,869.36x = 1,544,782,795.67
  5. Step 5: Solve for x
    x = 1,544,782,795.67/55,869.36
  6. Step 6: Final answer
    x = 27,649.91

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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.