Home / 55,288.53-76,298.16-30,138.03

Finding the Fourth Proportional to 55,288.53, 76,298.16 and 30,138.03

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Solution

The fourth proportional to 55,288.53, 76,298.16 and 30,138.03 is: 41,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,288.53 : 76,298.16 = 30,138.03 : x
  2. Step 2: Convert to fraction form
    55,288.53/76,298.16 = 30,138.03/x
  3. Step 3: Cross multiply
    55,288.53x = 76,298.16 × 30,138.03
  4. Step 4: Simplify right side
    55,288.53x = 2,299,476,235.02
  5. Step 5: Solve for x
    x = 2,299,476,235.02/55,288.53
  6. Step 6: Final answer
    x = 41,590.48

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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.