Home / 30,638.31-45,862.70-26,154.96

Finding the Fourth Proportional to 30,638.31, 45,862.70 and 26,154.96

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Solution

The fourth proportional to 30,638.31, 45,862.70 and 26,154.96 is: 39,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,638.31 : 45,862.70 = 26,154.96 : x
  2. Step 2: Convert to fraction form
    30,638.31/45,862.70 = 26,154.96/x
  3. Step 3: Cross multiply
    30,638.31x = 45,862.70 × 26,154.96
  4. Step 4: Simplify right side
    30,638.31x = 1,199,537,083.99
  5. Step 5: Solve for x
    x = 1,199,537,083.99/30,638.31
  6. Step 6: Final answer
    x = 39,151.54

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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.