Home / 55,429.65-83,094.66-20,360.70

Finding the Fourth Proportional to 55,429.65, 83,094.66 and 20,360.70

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Solution

The fourth proportional to 55,429.65, 83,094.66 and 20,360.70 is: 30,522.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429.65 : 83,094.66 = 20,360.70 : x
  2. Step 2: Convert to fraction form
    55,429.65/83,094.66 = 20,360.70/x
  3. Step 3: Cross multiply
    55,429.65x = 83,094.66 × 20,360.70
  4. Step 4: Simplify right side
    55,429.65x = 1,691,865,443.86
  5. Step 5: Solve for x
    x = 1,691,865,443.86/55,429.65
  6. Step 6: Final answer
    x = 30,522.75

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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.