Home / 31,449.05-47,172.04-11,726.07

Finding the Fourth Proportional to 31,449.05, 47,172.04 and 11,726.07

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Solution

The fourth proportional to 31,449.05, 47,172.04 and 11,726.07 is: 17,588.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449.05 : 47,172.04 = 11,726.07 : x
  2. Step 2: Convert to fraction form
    31,449.05/47,172.04 = 11,726.07/x
  3. Step 3: Cross multiply
    31,449.05x = 47,172.04 × 11,726.07
  4. Step 4: Simplify right side
    31,449.05x = 553,142,436.87
  5. Step 5: Solve for x
    x = 553,142,436.87/31,449.05
  6. Step 6: Final answer
    x = 17,588.53

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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.