Home / 31,746.86-47,586.70-11,743.49

Finding the Fourth Proportional to 31,746.86, 47,586.70 and 11,743.49

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Solution

The fourth proportional to 31,746.86, 47,586.70 and 11,743.49 is: 17,602.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,746.86 : 47,586.70 = 11,743.49 : x
  2. Step 2: Convert to fraction form
    31,746.86/47,586.70 = 11,743.49/x
  3. Step 3: Cross multiply
    31,746.86x = 47,586.70 × 11,743.49
  4. Step 4: Simplify right side
    31,746.86x = 558,834,069.23
  5. Step 5: Solve for x
    x = 558,834,069.23/31,746.86
  6. Step 6: Final answer
    x = 17,602.81

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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.