Home / 55,630.13-83,442.56-18,185.45

Finding the Fourth Proportional to 55,630.13, 83,442.56 and 18,185.45

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Solution

The fourth proportional to 55,630.13, 83,442.56 and 18,185.45 is: 27,277.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,630.13 : 83,442.56 = 18,185.45 : x
  2. Step 2: Convert to fraction form
    55,630.13/83,442.56 = 18,185.45/x
  3. Step 3: Cross multiply
    55,630.13x = 83,442.56 × 18,185.45
  4. Step 4: Simplify right side
    55,630.13x = 1,517,439,994.61
  5. Step 5: Solve for x
    x = 1,517,439,994.61/55,630.13
  6. Step 6: Final answer
    x = 27,277.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.