Home / 55,360.92-83,054.58-17,921

Finding the Fourth Proportional to 55,360.92, 83,054.58 and 17,921

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Solution

The fourth proportional to 55,360.92, 83,054.58 and 17,921 is: 26,885.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,360.92 : 83,054.58 = 17,921 : x
  2. Step 2: Convert to fraction form
    55,360.92/83,054.58 = 17,921/x
  3. Step 3: Cross multiply
    55,360.92x = 83,054.58 × 17,921
  4. Step 4: Simplify right side
    55,360.92x = 1,488,421,128.18
  5. Step 5: Solve for x
    x = 1,488,421,128.18/55,360.92
  6. Step 6: Final answer
    x = 26,885.77

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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.