Home / 40,938.33-61,394.43-15,972.30

Finding the Fourth Proportional to 40,938.33, 61,394.43 and 15,972.30

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Solution

The fourth proportional to 40,938.33, 61,394.43 and 15,972.30 is: 23,953.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,938.33 : 61,394.43 = 15,972.30 : x
  2. Step 2: Convert to fraction form
    40,938.33/61,394.43 = 15,972.30/x
  3. Step 3: Cross multiply
    40,938.33x = 61,394.43 × 15,972.30
  4. Step 4: Simplify right side
    40,938.33x = 980,610,254.29
  5. Step 5: Solve for x
    x = 980,610,254.29/40,938.33
  6. Step 6: Final answer
    x = 23,953.35

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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.