Home / 55,310.94-76,329.08-30,160.44

Finding the Fourth Proportional to 55,310.94, 76,329.08 and 30,160.44

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Solution

The fourth proportional to 55,310.94, 76,329.08 and 30,160.44 is: 41,621.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,310.94 : 76,329.08 = 30,160.44 : x
  2. Step 2: Convert to fraction form
    55,310.94/76,329.08 = 30,160.44/x
  3. Step 3: Cross multiply
    55,310.94x = 76,329.08 × 30,160.44
  4. Step 4: Simplify right side
    55,310.94x = 2,302,118,886.13
  5. Step 5: Solve for x
    x = 2,302,118,886.13/55,310.94
  6. Step 6: Final answer
    x = 41,621.40

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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.