Home / 55,987.35-77,262.54-30,836.85

Finding the Fourth Proportional to 55,987.35, 77,262.54 and 30,836.85

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Solution

The fourth proportional to 55,987.35, 77,262.54 and 30,836.85 is: 42,554.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,987.35 : 77,262.54 = 30,836.85 : x
  2. Step 2: Convert to fraction form
    55,987.35/77,262.54 = 30,836.85/x
  3. Step 3: Cross multiply
    55,987.35x = 77,262.54 × 30,836.85
  4. Step 4: Simplify right side
    55,987.35x = 2,382,533,356.60
  5. Step 5: Solve for x
    x = 2,382,533,356.60/55,987.35
  6. Step 6: Final answer
    x = 42,554.85

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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.