Home / 40,519.56-55,916.49-22,618.98

Finding the Fourth Proportional to 40,519.56, 55,916.49 and 22,618.98

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Solution

The fourth proportional to 40,519.56, 55,916.49 and 22,618.98 is: 31,213.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,519.56 : 55,916.49 = 22,618.98 : x
  2. Step 2: Convert to fraction form
    40,519.56/55,916.49 = 22,618.98/x
  3. Step 3: Cross multiply
    40,519.56x = 55,916.49 × 22,618.98
  4. Step 4: Simplify right side
    40,519.56x = 1,264,773,968.98
  5. Step 5: Solve for x
    x = 1,264,773,968.98/40,519.56
  6. Step 6: Final answer
    x = 31,213.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.