Home / 50,731.62-70,012.15-30,595.02

Finding the Fourth Proportional to 50,731.62, 70,012.15 and 30,595.02

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Solution

The fourth proportional to 50,731.62, 70,012.15 and 30,595.02 is: 42,222.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,731.62 : 70,012.15 = 30,595.02 : x
  2. Step 2: Convert to fraction form
    50,731.62/70,012.15 = 30,595.02/x
  3. Step 3: Cross multiply
    50,731.62x = 70,012.15 × 30,595.02
  4. Step 4: Simplify right side
    50,731.62x = 2,142,022,790.46
  5. Step 5: Solve for x
    x = 2,142,022,790.46/50,731.62
  6. Step 6: Final answer
    x = 42,222.64

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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.