Home / 40,916.89-61,393.95-19,845.55

Finding the Fourth Proportional to 40,916.89, 61,393.95 and 19,845.55

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Solution

The fourth proportional to 40,916.89, 61,393.95 and 19,845.55 is: 29,777.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,916.89 : 61,393.95 = 19,845.55 : x
  2. Step 2: Convert to fraction form
    40,916.89/61,393.95 = 19,845.55/x
  3. Step 3: Cross multiply
    40,916.89x = 61,393.95 × 19,845.55
  4. Step 4: Simplify right side
    40,916.89x = 1,218,396,704.42
  5. Step 5: Solve for x
    x = 1,218,396,704.42/40,916.89
  6. Step 6: Final answer
    x = 29,777.35

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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.