Home / 31,816.74-43,904.03-19,069.71

Finding the Fourth Proportional to 31,816.74, 43,904.03 and 19,069.71

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Solution

The fourth proportional to 31,816.74, 43,904.03 and 19,069.71 is: 26,314.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,816.74 : 43,904.03 = 19,069.71 : x
  2. Step 2: Convert to fraction form
    31,816.74/43,904.03 = 19,069.71/x
  3. Step 3: Cross multiply
    31,816.74x = 43,904.03 × 19,069.71
  4. Step 4: Simplify right side
    31,816.74x = 837,237,119.93
  5. Step 5: Solve for x
    x = 837,237,119.93/31,816.74
  6. Step 6: Final answer
    x = 26,314.36

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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.