Home / 55,801.55-77,023.20-33,144.23

Finding the Fourth Proportional to 55,801.55, 77,023.20 and 33,144.23

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Solution

The fourth proportional to 55,801.55, 77,023.20 and 33,144.23 is: 45,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.55 : 77,023.20 = 33,144.23 : x
  2. Step 2: Convert to fraction form
    55,801.55/77,023.20 = 33,144.23/x
  3. Step 3: Cross multiply
    55,801.55x = 77,023.20 × 33,144.23
  4. Step 4: Simplify right side
    55,801.55x = 2,552,874,656.14
  5. Step 5: Solve for x
    x = 2,552,874,656.14/55,801.55
  6. Step 6: Final answer
    x = 45,749.17

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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.