Home / 31,567.36-43,561.26-19,630.36

Finding the Fourth Proportional to 31,567.36, 43,561.26 and 19,630.36

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Solution

The fourth proportional to 31,567.36, 43,561.26 and 19,630.36 is: 27,088.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.36 : 43,561.26 = 19,630.36 : x
  2. Step 2: Convert to fraction form
    31,567.36/43,561.26 = 19,630.36/x
  3. Step 3: Cross multiply
    31,567.36x = 43,561.26 × 19,630.36
  4. Step 4: Simplify right side
    31,567.36x = 855,123,215.85
  5. Step 5: Solve for x
    x = 855,123,215.85/31,567.36
  6. Step 6: Final answer
    x = 27,088.84

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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.