Home / 31,567.93-43,579.55-19,635.13

Finding the Fourth Proportional to 31,567.93, 43,579.55 and 19,635.13

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Solution

The fourth proportional to 31,567.93, 43,579.55 and 19,635.13 is: 27,106.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,567.93 : 43,579.55 = 19,635.13 : x
  2. Step 2: Convert to fraction form
    31,567.93/43,579.55 = 19,635.13/x
  3. Step 3: Cross multiply
    31,567.93x = 43,579.55 × 19,635.13
  4. Step 4: Simplify right side
    31,567.93x = 855,690,129.59
  5. Step 5: Solve for x
    x = 855,690,129.59/31,567.93
  6. Step 6: Final answer
    x = 27,106.31

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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.