Home / 33,937.20-50,905.80-28,688.40

Finding the Fourth Proportional to 33,937.20, 50,905.80 and 28,688.40

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Solution

The fourth proportional to 33,937.20, 50,905.80 and 28,688.40 is: 43,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,937.20 : 50,905.80 = 28,688.40 : x
  2. Step 2: Convert to fraction form
    33,937.20/50,905.80 = 28,688.40/x
  3. Step 3: Cross multiply
    33,937.20x = 50,905.80 × 28,688.40
  4. Step 4: Simplify right side
    33,937.20x = 1,460,405,952.72
  5. Step 5: Solve for x
    x = 1,460,405,952.72/33,937.20
  6. Step 6: Final answer
    x = 43,032.60

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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.