Home / 55,845.50-77,060.31-33,185.45

Finding the Fourth Proportional to 55,845.50, 77,060.31 and 33,185.45

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Solution

The fourth proportional to 55,845.50, 77,060.31 and 33,185.45 is: 45,792.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,845.50 : 77,060.31 = 33,185.45 : x
  2. Step 2: Convert to fraction form
    55,845.50/77,060.31 = 33,185.45/x
  3. Step 3: Cross multiply
    55,845.50x = 77,060.31 × 33,185.45
  4. Step 4: Simplify right side
    55,845.50x = 2,557,280,885.90
  5. Step 5: Solve for x
    x = 2,557,280,885.90/55,845.50
  6. Step 6: Final answer
    x = 45,792.07

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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.