Home / 39,045.10-58,578.59-15,687.94

Finding the Fourth Proportional to 39,045.10, 58,578.59 and 15,687.94

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Solution

The fourth proportional to 39,045.10, 58,578.59 and 15,687.94 is: 23,536.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,045.10 : 58,578.59 = 15,687.94 : x
  2. Step 2: Convert to fraction form
    39,045.10/58,578.59 = 15,687.94/x
  3. Step 3: Cross multiply
    39,045.10x = 58,578.59 × 15,687.94
  4. Step 4: Simplify right side
    39,045.10x = 918,977,405.20
  5. Step 5: Solve for x
    x = 918,977,405.20/39,045.10
  6. Step 6: Final answer
    x = 23,536.31

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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.