Home / 55,238.08-76,228.68-30,087.04

Finding the Fourth Proportional to 55,238.08, 76,228.68 and 30,087.04

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Solution

The fourth proportional to 55,238.08, 76,228.68 and 30,087.04 is: 41,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,238.08 : 76,228.68 = 30,087.04 : x
  2. Step 2: Convert to fraction form
    55,238.08/76,228.68 = 30,087.04/x
  3. Step 3: Cross multiply
    55,238.08x = 76,228.68 × 30,087.04
  4. Step 4: Simplify right side
    55,238.08x = 2,293,495,344.31
  5. Step 5: Solve for x
    x = 2,293,495,344.31/55,238.08
  6. Step 6: Final answer
    x = 41,520.19

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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.