Home / 50,823.90-76,133.79-28,603.98

Finding the Fourth Proportional to 50,823.90, 76,133.79 and 28,603.98

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Solution

The fourth proportional to 50,823.90, 76,133.79 and 28,603.98 is: 42,848.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,823.90 : 76,133.79 = 28,603.98 : x
  2. Step 2: Convert to fraction form
    50,823.90/76,133.79 = 28,603.98/x
  3. Step 3: Cross multiply
    50,823.90x = 76,133.79 × 28,603.98
  4. Step 4: Simplify right side
    50,823.90x = 2,177,729,406.48
  5. Step 5: Solve for x
    x = 2,177,729,406.48/50,823.90
  6. Step 6: Final answer
    x = 42,848.53

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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.