Home / 55,546.15-83,319.16-18,106.21

Finding the Fourth Proportional to 55,546.15, 83,319.16 and 18,106.21

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Solution

The fourth proportional to 55,546.15, 83,319.16 and 18,106.21 is: 27,159.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,546.15 : 83,319.16 = 18,106.21 : x
  2. Step 2: Convert to fraction form
    55,546.15/83,319.16 = 18,106.21/x
  3. Step 3: Cross multiply
    55,546.15x = 83,319.16 × 18,106.21
  4. Step 4: Simplify right side
    55,546.15x = 1,508,594,207.98
  5. Step 5: Solve for x
    x = 1,508,594,207.98/55,546.15
  6. Step 6: Final answer
    x = 27,159.29

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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.