Home / 50,946.30-70,310.34-28,289.70

Finding the Fourth Proportional to 50,946.30, 70,310.34 and 28,289.70

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Solution

The fourth proportional to 50,946.30, 70,310.34 and 28,289.70 is: 39,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,946.30 : 70,310.34 = 28,289.70 : x
  2. Step 2: Convert to fraction form
    50,946.30/70,310.34 = 28,289.70/x
  3. Step 3: Cross multiply
    50,946.30x = 70,310.34 × 28,289.70
  4. Step 4: Simplify right side
    50,946.30x = 1,989,058,425.50
  5. Step 5: Solve for x
    x = 1,989,058,425.50/50,946.30
  6. Step 6: Final answer
    x = 39,042.25

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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.