Home / 31,561.74-43,570.99-19,628.93

Finding the Fourth Proportional to 31,561.74, 43,570.99 and 19,628.93

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Solution

The fourth proportional to 31,561.74, 43,570.99 and 19,628.93 is: 27,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,561.74 : 43,570.99 = 19,628.93 : x
  2. Step 2: Convert to fraction form
    31,561.74/43,570.99 = 19,628.93/x
  3. Step 3: Cross multiply
    31,561.74x = 43,570.99 × 19,628.93
  4. Step 4: Simplify right side
    31,561.74x = 855,251,694.89
  5. Step 5: Solve for x
    x = 855,251,694.89/31,561.74
  6. Step 6: Final answer
    x = 27,097.74

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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.