Home / 50,903.86-70,247.88-28,243.38

Finding the Fourth Proportional to 50,903.86, 70,247.88 and 28,243.38

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Solution

The fourth proportional to 50,903.86, 70,247.88 and 28,243.38 is: 38,976.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,903.86 : 70,247.88 = 28,243.38 : x
  2. Step 2: Convert to fraction form
    50,903.86/70,247.88 = 28,243.38/x
  3. Step 3: Cross multiply
    50,903.86x = 70,247.88 × 28,243.38
  4. Step 4: Simplify right side
    50,903.86x = 1,984,037,569.03
  5. Step 5: Solve for x
    x = 1,984,037,569.03/50,903.86
  6. Step 6: Final answer
    x = 38,976.17

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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.