Home / 50,945.13-70,312.59-28,291.41

Finding the Fourth Proportional to 50,945.13, 70,312.59 and 28,291.41

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Solution

The fourth proportional to 50,945.13, 70,312.59 and 28,291.41 is: 39,046.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,945.13 : 70,312.59 = 28,291.41 : x
  2. Step 2: Convert to fraction form
    50,945.13/70,312.59 = 28,291.41/x
  3. Step 3: Cross multiply
    50,945.13x = 70,312.59 × 28,291.41
  4. Step 4: Simplify right side
    50,945.13x = 1,989,242,311.85
  5. Step 5: Solve for x
    x = 1,989,242,311.85/50,945.13
  6. Step 6: Final answer
    x = 39,046.76

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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.