Home / 35,775.10-49,367.17-19,858.30

Finding the Fourth Proportional to 35,775.10, 49,367.17 and 19,858.30

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Solution

The fourth proportional to 35,775.10, 49,367.17 and 19,858.30 is: 27,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,775.10 : 49,367.17 = 19,858.30 : x
  2. Step 2: Convert to fraction form
    35,775.10/49,367.17 = 19,858.30/x
  3. Step 3: Cross multiply
    35,775.10x = 49,367.17 × 19,858.30
  4. Step 4: Simplify right side
    35,775.10x = 980,348,072.01
  5. Step 5: Solve for x
    x = 980,348,072.01/35,775.10
  6. Step 6: Final answer
    x = 27,403.08

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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.