Home / 31,637.28-47,439.90-10,569.82

Finding the Fourth Proportional to 31,637.28, 47,439.90 and 10,569.82

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Solution

The fourth proportional to 31,637.28, 47,439.90 and 10,569.82 is: 15,849.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.28 : 47,439.90 = 10,569.82 : x
  2. Step 2: Convert to fraction form
    31,637.28/47,439.90 = 10,569.82/x
  3. Step 3: Cross multiply
    31,637.28x = 47,439.90 × 10,569.82
  4. Step 4: Simplify right side
    31,637.28x = 501,431,203.82
  5. Step 5: Solve for x
    x = 501,431,203.82/31,637.28
  6. Step 6: Final answer
    x = 15,849.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.