Home / 38,689.17-58,087.21-19,984.65

Finding the Fourth Proportional to 38,689.17, 58,087.21 and 19,984.65

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Solution

The fourth proportional to 38,689.17, 58,087.21 and 19,984.65 is: 30,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,689.17 : 58,087.21 = 19,984.65 : x
  2. Step 2: Convert to fraction form
    38,689.17/58,087.21 = 19,984.65/x
  3. Step 3: Cross multiply
    38,689.17x = 58,087.21 × 19,984.65
  4. Step 4: Simplify right side
    38,689.17x = 1,160,852,561.33
  5. Step 5: Solve for x
    x = 1,160,852,561.33/38,689.17
  6. Step 6: Final answer
    x = 30,004.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.