Home / 55,928.60-77,182.26-30,435.74

Finding the Fourth Proportional to 55,928.60, 77,182.26 and 30,435.74

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Solution

The fourth proportional to 55,928.60, 77,182.26 and 30,435.74 is: 42,001.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,928.60 : 77,182.26 = 30,435.74 : x
  2. Step 2: Convert to fraction form
    55,928.60/77,182.26 = 30,435.74/x
  3. Step 3: Cross multiply
    55,928.60x = 77,182.26 × 30,435.74
  4. Step 4: Simplify right side
    55,928.60x = 2,349,099,197.97
  5. Step 5: Solve for x
    x = 2,349,099,197.97/55,928.60
  6. Step 6: Final answer
    x = 42,001.75

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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.