Home / 31,758.36-47,637.75-9,571.65

Finding the Fourth Proportional to 31,758.36, 47,637.75 and 9,571.65

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Solution

The fourth proportional to 31,758.36, 47,637.75 and 9,571.65 is: 14,357.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,758.36 : 47,637.75 = 9,571.65 : x
  2. Step 2: Convert to fraction form
    31,758.36/47,637.75 = 9,571.65/x
  3. Step 3: Cross multiply
    31,758.36x = 47,637.75 × 9,571.65
  4. Step 4: Simplify right side
    31,758.36x = 455,971,869.79
  5. Step 5: Solve for x
    x = 455,971,869.79/31,758.36
  6. Step 6: Final answer
    x = 14,357.54

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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.