Home / 50,937.20-70,293.12-28,276.28

Finding the Fourth Proportional to 50,937.20, 70,293.12 and 28,276.28

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Solution

The fourth proportional to 50,937.20, 70,293.12 and 28,276.28 is: 39,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,937.20 : 70,293.12 = 28,276.28 : x
  2. Step 2: Convert to fraction form
    50,937.20/70,293.12 = 28,276.28/x
  3. Step 3: Cross multiply
    50,937.20x = 70,293.12 × 28,276.28
  4. Step 4: Simplify right side
    50,937.20x = 1,987,627,943.19
  5. Step 5: Solve for x
    x = 1,987,627,943.19/50,937.20
  6. Step 6: Final answer
    x = 39,021.15

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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.