Home / 31,611.62-47,424.49-11,890.34

Finding the Fourth Proportional to 31,611.62, 47,424.49 and 11,890.34

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Solution

The fourth proportional to 31,611.62, 47,424.49 and 11,890.34 is: 17,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,611.62 : 47,424.49 = 11,890.34 : x
  2. Step 2: Convert to fraction form
    31,611.62/47,424.49 = 11,890.34/x
  3. Step 3: Cross multiply
    31,611.62x = 47,424.49 × 11,890.34
  4. Step 4: Simplify right side
    31,611.62x = 563,893,399.26
  5. Step 5: Solve for x
    x = 563,893,399.26/31,611.62
  6. Step 6: Final answer
    x = 17,838.17

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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.