Home / 55,317.85-76,339.54-30,167.35

Finding the Fourth Proportional to 55,317.85, 76,339.54 and 30,167.35

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Solution

The fourth proportional to 55,317.85, 76,339.54 and 30,167.35 is: 41,631.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,317.85 : 76,339.54 = 30,167.35 : x
  2. Step 2: Convert to fraction form
    55,317.85/76,339.54 = 30,167.35/x
  3. Step 3: Cross multiply
    55,317.85x = 76,339.54 × 30,167.35
  4. Step 4: Simplify right side
    55,317.85x = 2,302,961,355.75
  5. Step 5: Solve for x
    x = 2,302,961,355.75/55,317.85
  6. Step 6: Final answer
    x = 41,631.43

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1.5x scale

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.