Home / 55,843.55-77,064.69-30,349.91

Finding the Fourth Proportional to 55,843.55, 77,064.69 and 30,349.91

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Solution

The fourth proportional to 55,843.55, 77,064.69 and 30,349.91 is: 41,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,843.55 : 77,064.69 = 30,349.91 : x
  2. Step 2: Convert to fraction form
    55,843.55/77,064.69 = 30,349.91/x
  3. Step 3: Cross multiply
    55,843.55x = 77,064.69 × 30,349.91
  4. Step 4: Simplify right side
    55,843.55x = 2,338,906,271.41
  5. Step 5: Solve for x
    x = 2,338,906,271.41/55,843.55
  6. Step 6: Final answer
    x = 41,883.20

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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.