Home / 50,714.46-69,947.67-30,548.70

Finding the Fourth Proportional to 50,714.46, 69,947.67 and 30,548.70

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Solution

The fourth proportional to 50,714.46, 69,947.67 and 30,548.70 is: 42,134.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,714.46 : 69,947.67 = 30,548.70 : x
  2. Step 2: Convert to fraction form
    50,714.46/69,947.67 = 30,548.70/x
  3. Step 3: Cross multiply
    50,714.46x = 69,947.67 × 30,548.70
  4. Step 4: Simplify right side
    50,714.46x = 2,136,810,386.53
  5. Step 5: Solve for x
    x = 2,136,810,386.53/50,714.46
  6. Step 6: Final answer
    x = 42,134.14

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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.