Home / 34,637.80-47,800.09-18,722.21

Finding the Fourth Proportional to 34,637.80, 47,800.09 and 18,722.21

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Solution

The fourth proportional to 34,637.80, 47,800.09 and 18,722.21 is: 25,836.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,637.80 : 47,800.09 = 18,722.21 : x
  2. Step 2: Convert to fraction form
    34,637.80/47,800.09 = 18,722.21/x
  3. Step 3: Cross multiply
    34,637.80x = 47,800.09 × 18,722.21
  4. Step 4: Simplify right side
    34,637.80x = 894,923,323.00
  5. Step 5: Solve for x
    x = 894,923,323.00/34,637.80
  6. Step 6: Final answer
    x = 25,836.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.