Home / 50,901.21-70,243.67-28,240.45

Finding the Fourth Proportional to 50,901.21, 70,243.67 and 28,240.45

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Solution

The fourth proportional to 50,901.21, 70,243.67 and 28,240.45 is: 38,971.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,901.21 : 70,243.67 = 28,240.45 : x
  2. Step 2: Convert to fraction form
    50,901.21/70,243.67 = 28,240.45/x
  3. Step 3: Cross multiply
    50,901.21x = 70,243.67 × 28,240.45
  4. Step 4: Simplify right side
    50,901.21x = 1,983,712,745.44
  5. Step 5: Solve for x
    x = 1,983,712,745.44/50,901.21
  6. Step 6: Final answer
    x = 38,971.82

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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.