Home / 34,127.16-47,099.16-19,991.88

Finding the Fourth Proportional to 34,127.16, 47,099.16 and 19,991.88

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Solution

The fourth proportional to 34,127.16, 47,099.16 and 19,991.88 is: 27,590.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,127.16 : 47,099.16 = 19,991.88 : x
  2. Step 2: Convert to fraction form
    34,127.16/47,099.16 = 19,991.88/x
  3. Step 3: Cross multiply
    34,127.16x = 47,099.16 × 19,991.88
  4. Step 4: Simplify right side
    34,127.16x = 941,600,754.82
  5. Step 5: Solve for x
    x = 941,600,754.82/34,127.16
  6. Step 6: Final answer
    x = 27,590.95

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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.