Home / 31,637.49-47,438.27-12,895.58

Finding the Fourth Proportional to 31,637.49, 47,438.27 and 12,895.58

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Solution

The fourth proportional to 31,637.49, 47,438.27 and 12,895.58 is: 19,336.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.49 : 47,438.27 = 12,895.58 : x
  2. Step 2: Convert to fraction form
    31,637.49/47,438.27 = 12,895.58/x
  3. Step 3: Cross multiply
    31,637.49x = 47,438.27 × 12,895.58
  4. Step 4: Simplify right side
    31,637.49x = 611,743,704.18
  5. Step 5: Solve for x
    x = 611,743,704.18/31,637.49
  6. Step 6: Final answer
    x = 19,336.04

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1.5x scale

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.