Home / 50,898.64-70,240.54-28,239.11

Finding the Fourth Proportional to 50,898.64, 70,240.54 and 28,239.11

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Solution

The fourth proportional to 50,898.64, 70,240.54 and 28,239.11 is: 38,970.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,898.64 : 70,240.54 = 28,239.11 : x
  2. Step 2: Convert to fraction form
    50,898.64/70,240.54 = 28,239.11/x
  3. Step 3: Cross multiply
    50,898.64x = 70,240.54 × 28,239.11
  4. Step 4: Simplify right side
    50,898.64x = 1,983,530,704.59
  5. Step 5: Solve for x
    x = 1,983,530,704.59/50,898.64
  6. Step 6: Final answer
    x = 38,970.21

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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.