Home / 55,175.52-76,173.24-42,230.40

Finding the Fourth Proportional to 55,175.52, 76,173.24 and 42,230.40

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Solution

The fourth proportional to 55,175.52, 76,173.24 and 42,230.40 is: 58,301.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,175.52 : 76,173.24 = 42,230.40 : x
  2. Step 2: Convert to fraction form
    55,175.52/76,173.24 = 42,230.40/x
  3. Step 3: Cross multiply
    55,175.52x = 76,173.24 × 42,230.40
  4. Step 4: Simplify right side
    55,175.52x = 3,216,826,394.50
  5. Step 5: Solve for x
    x = 3,216,826,394.50/55,175.52
  6. Step 6: Final answer
    x = 58,301.70

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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.