Home / 55,823.67-77,038.10-30,329.78

Finding the Fourth Proportional to 55,823.67, 77,038.10 and 30,329.78

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Solution

The fourth proportional to 55,823.67, 77,038.10 and 30,329.78 is: 41,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,823.67 : 77,038.10 = 30,329.78 : x
  2. Step 2: Convert to fraction form
    55,823.67/77,038.10 = 30,329.78/x
  3. Step 3: Cross multiply
    55,823.67x = 77,038.10 × 30,329.78
  4. Step 4: Simplify right side
    55,823.67x = 2,336,548,624.62
  5. Step 5: Solve for x
    x = 2,336,548,624.62/55,823.67
  6. Step 6: Final answer
    x = 41,855.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.