Home / 50,814.95-70,127.24-30,671.55

Finding the Fourth Proportional to 50,814.95, 70,127.24 and 30,671.55

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Solution

The fourth proportional to 50,814.95, 70,127.24 and 30,671.55 is: 42,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,814.95 : 70,127.24 = 30,671.55 : x
  2. Step 2: Convert to fraction form
    50,814.95/70,127.24 = 30,671.55/x
  3. Step 3: Cross multiply
    50,814.95x = 70,127.24 × 30,671.55
  4. Step 4: Simplify right side
    50,814.95x = 2,150,910,994.66
  5. Step 5: Solve for x
    x = 2,150,910,994.66/50,814.95
  6. Step 6: Final answer
    x = 42,328.31

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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.