Home / 31,167.63-43,011.14-19,230.93

Finding the Fourth Proportional to 31,167.63, 43,011.14 and 19,230.93

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Solution

The fourth proportional to 31,167.63, 43,011.14 and 19,230.93 is: 26,538.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,167.63 : 43,011.14 = 19,230.93 : x
  2. Step 2: Convert to fraction form
    31,167.63/43,011.14 = 19,230.93/x
  3. Step 3: Cross multiply
    31,167.63x = 43,011.14 × 19,230.93
  4. Step 4: Simplify right side
    31,167.63x = 827,144,126.41
  5. Step 5: Solve for x
    x = 827,144,126.41/31,167.63
  6. Step 6: Final answer
    x = 26,538.56

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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.