Home / 31,711.37-43,762.01-19,133.69

Finding the Fourth Proportional to 31,711.37, 43,762.01 and 19,133.69

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Solution

The fourth proportional to 31,711.37, 43,762.01 and 19,133.69 is: 26,404.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,711.37 : 43,762.01 = 19,133.69 : x
  2. Step 2: Convert to fraction form
    31,711.37/43,762.01 = 19,133.69/x
  3. Step 3: Cross multiply
    31,711.37x = 43,762.01 × 19,133.69
  4. Step 4: Simplify right side
    31,711.37x = 837,328,733.12
  5. Step 5: Solve for x
    x = 837,328,733.12/31,711.37
  6. Step 6: Final answer
    x = 26,404.68

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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.